METERS & SOLUTIONS For the latest product and pricing updates for this category, scan the QR code or go to Hydrofarm.com. METERS & SOLUTIONS 335–350 Bluelab336–338 Hanna Instruments 338–340 Hanna Instruments 338–340 HM Digital 341 Luster Leaf 342 Milwaukee Instruments 343–345 Myron L Company 345 Nutradip345 Oakton346 Autopilot347 Active Aqua 347–348 General Hydroponics 347 Bluelab348 Earth Juice 348 Microbe Life Hydroponics 348 Botanicare348 hydrofarm.com | 335 METERS & SOLUTIONS BLUELAB CONNECT STICK Data log and view nutrient measurements from your crop wirelessly. The Connect Stick receives wireless data from Bluelab Connect Monitors or Controllers, logging the data to the cloud. One Connect Stick will receive data from multiple Bluelab Connect Devices. Simply place the Connect Stick into a USB port on your computer, download and install the free Connect Software to begin monitoring crop performance wirelessly. View readings from your PC or mobile device so you’ll know when to adjust your nutrient solution to the optimal range. Add other Bluelab Connect Devices to your Connect Software at the click of a button. ITEM CODE DESCRIPTION BLU8002 Bluelab Connect Stick SRP $150.00 BLUELAB CONNECT RANGE EXTENDER Boost the wireless range or signal strength between Bluelab Connect products. The Bluelab Connect Range Extender is required if you need to boost the signal range for wireless monitoring of your crop. Simply plug into a power supply to use when there is a longer distance to cover between Bluelab Connect devices and the Bluelab Connect Stick. For extra-long distances, multiple Connect Range Extenders can be used. International power supply (may differ from image shown). BLUELAB GUARDIAN MONITOR CONNECT Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and temperature readings. The Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. You can access the data via the cloud from a remote mobile device or computer to check these critical parameters are hitting the mark for crop success. Just one Bluelab Connect Stick is required to receive wireless data from one or more Guardian Monitor Connects. For remote or cloud access, the computer you’re already data logging to will need permanent internet access. • Data logging capability (ONE Bluelab Connect Stick is required, sold separately – BLU8002) • Free Bluelab Connect Software available online • View data and current status remotely via Google Docs • Plant-safe green LEDs • Large easy to read displays • No calibration required for conductivity and temperature • Simple push button pH calibration • Selectable values for conductivity and temperature • Flashing high and low alarms • Greater tolerance to RF / electronic interference provided • Water resistant design • International power supply • Replaceable double junction pH probe • Adjustable display brightness • Non-volatile memory ITEM CODE DESCRIPTION BLU8001 Bluelab Guardian Monitor Connect 336 | hydrofarm.com SRP $450.00 ITEM CODE DESCRIPTION BLU8003 Bluelab Connect Range Extender SRP $164.00 BLUELAB pH CONTROLLER Hands-free monitoring and dosing of solution pH levels. Features automatic control and monitoring of system pH with reservoirs up to 200 US gal / 760L. Large, easy to read displays and plant-safe green back lit LCD with adjustable brightness. Easy to navigate menu to program and adjust settings. Simple push button pH calibration with on screen guide. Flashing high / low alarm with control lockouts. Dosing lockouts to protect from over-dosing. Auto resume dosing on restart after power loss. Water resistant, wall mount design. 13 foot (4 meter) acid/alkali resistant dosing tube supplied. Use with undiluted Bluelab pH Up or Down. International power supply. Replaceable double junction pH probe. Separate Bluelab Temperature Probe (for pH ATC). Replaceable peristaltic pump and tubes. ITEM CODE DESCRIPTION BLU8004 Bluelab pH Controller SRP $569.00 METERS & SOLUTIONS Bluelab planograms at Hydrofarm.com BLUELAB pH METER BLUELAB COMBO METER The Bluelab Combo Meter is a conductivity, pH and temperature meter all-in-one. It comes with a pH probe and conductivity and temperature probe, that when placed into the solution, displays the selected reading on screen. Portable and does BLU7000 not require a power supply. Conductivity and temperature do not need to be calibrated. Select display options for °C or °F and EC, CF or ppm. ITEM CODE BLU2300E BLU24102 BLU7000 DESCRIPTION Bluelab Combo Meter Bluelab pH Probe Bluelab Carry Case When measuring the pH of a solution is important, reach for the Bluelab pH Meter. Simply place the pH probe into the solution and the reading is displayed on the screen. This lightweight, portable meter runs on 2 AAA batteries – no power supply needed to operate. • Auto off • Replaceable double function junction pH probe • Simple push button pH • Low battery indicator calibration • Large, easy to read display – 10 mm (.4") BLU2300E SRP $308.00 70.00 $25.00 BLU2320E ITEM CODE BLU2320E BLU2330E BLU24115 DESCRIPTION Bluelab pH Meter Bluelab Soil pH Meter Bluelab Soil pH Probe SRP $210.00 $240.00 110.00 BLUELAB TRUNCHEONS BLUELAB SOIL pH PEN The world’s favorite conductivity meter just got even better! Bluelab’s EC and Commercial Truncheons now feature easier to read scales, external thermistor for faster readings, new blue daylight readable LEDs, and easier cleaning – just twist to remove shroud. Tough and reliable. BLUELAB TRUNCHEON NUTRIENT METER Simply brilliant, brilliantly simple! With EC, CF, ppm 700 and ppm 500 scales to measure the strength of your nutrient solution. BLUELAB COMMERCIAL TRUNCHEON When range, durability and accuracy counts! With a conductivity range right up to 6.0 EC (60 CF, 3000 ppm 500 and 4200 ppm 700), it will never leave you short. Provides a pH and temperature reading of soils and media, so you know the right nutrients will be made available to your plants. It will even measure solutions. Now, isn’t that handy? Features a sturdy and removable dibber to create a hole in soils and media, pH probe to measure pH or temperature of soils, media, and solutions, and easy-to-use buttons with selectable units for °C and °F. Has a backlit LCD display, successful pH calibration indicator, hold and auto off functions, and a low battery warning. ITEM CODE BLU2000E BLU2100E DESCRIPTION EC Truncheon Commercial Truncheon NEW FEATURES! SRP $140.00 140.00 BLUELAB GUARDIAN MONITOR Measures all 3 critical parameters for successful growth: pH, conductivity AND temperature. The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ ppm 700/TDS/CF, pH and temperature, enabling the grower to optimize these parameters through each growing phase. Monitor your crops 24 hours a day, with flashing high and low alarms allowing you to make adjustments to your solution quickly. ITEM CODE BLU27100 DESCRIPTION Bluelab Guardian Monitor ITEM CODE DESCRIPTION BLU2216 Bluelab Soil pH Pen BLUELAB pH PEN The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with Bluelab’s EC Pen or ppm Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health. The Bluelab pen range has been specially developed as an affordable and effective option for hobby or small scale growers. • Measures pH and temperature • Selectable units for °C and °F • Backlit LCD display • Double junction probe (not replaceable) SRP $364.00 SRP $185.00 ITEM CODE DESCRIPTION BLU2210 Bluelab pH Pen • Successful calibration indicator • Hold reading function • Low battery indicator • Fully waterproof • Auto off function • Automatic temperature compensation SRP $112.50 hydrofarm.com | 337 METERS & SOLUTIONS BLUELAB PPM PEN An affordable and effective option for hobby or small scale growers, the Bluelab ppm Pen measures how much food the plant has available. Team it up with Bluelab's pH Pen for a convenient and accurate system for ensuring optimum plant growth and health. • Measures conductivity • Successful calibration and temperature indicator • Selectable units for • Hold reading function conductivity and • Low battery indicator temperature • Fully waterproof • Backlit LCD display • Auto off function • Calibration optional • Automatic temperature compensation ITEM CODE DESCRIPTION BLU2221 Bluelab ppm Pen GRO’CHEK pH/EC/TDS METERS SRP $94.00 BLUELAB PROBE CARE KITS & SOLUTIONS Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller. The probe surface is where the instrument takes the reading of the solution or soil/media. If the probe face is dirty or contaminated, then the reading will be inaccurate. Accurate readings simplify crop management and provide improved growth. Probe Care Kits contain handy tips and all the tools you need to prolong the life of your probe. You can easily re-stock your kits with Bluelab Solutions. Bluelab Solutions are manufactured specifically for Bluelab products, they are NIST certified and made to a traceable standard to ensure your Bluelab products last longer and maintain accuracy. ITEM CODE BLU7002 BLU7003 BLU7001 BLU420 BLU4250 BLU4500 BLU720 BLU7250 BLU7500 BLU27725 BLU27750 DESCRIPTION Bluelab Probe Care Kit, Conductivity Bluelab Probe Care Kit, pH Bluelab Probe Care Kit, & Conductivity pH 4.0 Cal Solution Sachet 20 ml pH 4.0 Calibration Solution 250 ml pH 4.0 Calibration Solution 500 ml pH 7.0 Cal Solution Sachet 20 ml pH 7.0 Calibration Solution 250 ml pH 7.0 Calibration Solution 500 ml 2.77 EC Conductivity Solution 250 ml 2.77 EC Conductivity Solution 500 ml SRP $11.90 16.95 22.95 $44.95 48.95 65.95 $44.95 48.95 65.95 $48.95 65.95 Bluelab pH Probe KCI Storage Solution is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCI solution to store the pH pen/probe after use and hydrate monthly. Instructions are on the label of the bottle. DESCRIPTION Bluelab pH Probe KCl Storage Solution 338 | hydrofarm.com ITEM CODE HI9813-5N HI9813-6N HI1285-6 HI12855 DESCRIPTION Gro’Chek pH/EC/TDS Meter Gro’Chek pH/EC/TDS Meter w/cal-check Gro’Chek Replacement Probe for H19813-6 Gro’Chek Replacement Probe for HI9813-5N SRP $283.95 283.95 131.95 128.95 GRO’CHEK COMBO TEMP TESTER The HI98130 and HI98129 Combo waterproof tester offers high accuracy pH, EC/TDS and temperature measurements in a single tester. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS readings are automatically compensated for the effects of temperature (ATC). This tester has a replaceable pH electrode with an extendable cloth junction, and an EC/TDS graphite electrode that resists contamination by salts and other substances. ITEM CODE DESCRIPTION HI98129 HI98130 HI73127 Gro’Chek pH/EC/TDS/C /ppm Tester Gro’Chek Hanna pH/EC/TDS/C /ppt Pocket Tester Replacement pH Electrode for HI98127/28/29/30 SRP $194.95 194.95 $62.95 GRO’CHEK COMBO TEMP TESTER This meter is waterproof and comes in rugged, protective housing with large, easy to read LCD. BLUELAB PH PROBE KCI STORAGE SOLUTION ITEM CODE BLU1008 This versatile, water resistant, multiparameter portable instrument is specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. Features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument. Available with or without cal-check feature. SRP $11.95 ITEM CODE DESCRIPTION HI981401N Gro’Chek pH Indicator w/electrode HI1286 pH Electrode w/2 m 6.6' Cable SRP $121.95 66.95 METERS & SOLUTIONS Checker pH Tester with Replaceable Electrode Hanna’s pH Checker supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration. GRO’CHEK EC & TDS METERS Includes: • High accuracy with 0.01 pH resolution • Two point fast and accurate calibration • Compatible with virtually any electrode that shares the same connector • 3,000 hours of battery life • Small diameter probe fits easily into a test tube • Includes pH electrode, batteries, and instructions Continuous reading meters from Hanna Instruments display pH & EC. Protective housing made to last with easy to read large LCD. ITEM CODE HI983301N HI983302N ITEM CODE DESCRIPTION HI98103 Hanna Checker pH1 Tester (tester only) DESCRIPTION Gro’Chek TDS Monitor w/H117632 Gro’Chek EC Monitor w/H117632 SRP $40.95 SRP $114.95 114.95 pH TESTER FOR HYDROPONICS Economical pH tester for all hydroponic growers. The HI99104H is easy to calibrate (no tools required!), uses a replaceable pH electrode and works for 1000 hours before having to change the batteries. Includes HI1270 pH electrode, batteries, and instructions. COMBO pH/ORP/ TEMPERATURE TESTER This waterproof meter measures pH, ORP and temperature – and it floats! Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement. Features Hanna’s exclusive cartridge pH and ORP electrode, extendable cloth pH junction, automatic temperature compensation, automatic calibration, battery % Level at startup and stability indicator, and Hold function. ITEM CODE HI98121 DESCRIPTION Combo pH/ORP/Temperature Tester ITEM CODE DESCRIPTION HI99104H pH Tester for Hydroponics SRP $187.95 GRO’CHEK pH & TDS COMBO Amazing continuous reading meter from Hanna Instruments displays pH and TDS simultaneously. It takes up very little space and has adjustable set points. SRP $52.95 GRO’CHEK pH/EC/ TDS 3-WAY METER A 3-in-1 continuous reading meter from Hanna Instruments. Completely waterproof with a backlit dual level LCD, Auto Cal and pH Temperature Comp. ITEM CODE DESCRIPTION HI991404 Gro’Chek pH/EC/TDS Temp Cont. Combo SRP $246.95 GRO’CHEK DIST®5 WATERPROOF 3-WAY TEMP TESTER The DiST®5 displays TDS readings in EC & PPM, includes features such as a replaceable graphite electrode designed to resist contamination from salt (fertilizer) buildup, it features an adjustable TDS ratio, displays temperature in °C or °F, includes automatic temperature compensation (ATC) with adjustable coefficient ß, battery level indicator, stability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing. ITEM CODE HI981404N DESCRIPTION Gro’Chek pH Tester SRP $211.95 ITEM CODE DESCRIPTION HI98311 DiST 5 EC/TDS Meter SRP $130.95 hydrofarm.com | 339 METERS & SOLUTIONS PRIMO TDS TESTER Fast and dependable, the Primo TDS tester features an easy-toread LCD and operates by a single button at the top of the meter. Press it once and the meter is powered and ready for use. Press and hold the button for a few seconds and Primo automatically enters calibration mode. Simply open a sachet of the calibration solution, dip the probe and within seconds the meter recognizes the calibration solution and calibrates itself! Features automatic temperature compensation, single-button operation, and auto-off after 5 minutes of inactivity for maximum battery life. GRO’CHEK pHEP®4 WATERPROOF pH TEMPERATURE TESTER The pHep® 4 includes features such as a replaceable pH electrode with a renewable cloth junction, automatic calibration, dual-level LCD, battery level indicator, instability indicator, automatic shut-off, in a floating waterproof casing. ITEM CODE DESCRIPTION HI98127 Hanna pHEP 4 Meter HI73127 Replacement pH Electrode for HI98127/28/29/30 ITEM CODE DESCRIPTION HIPRIMO Primo TDS Tester SRP $113.95 62.95 SRP $40.95 HANNA INSTRUMENTS SOLUTIONS Hanna Instruments solutions are available in bottles, single-use sachets, and convenient starter kits. pHEP TESTER The original pHep® tester features a renewable cloth junction, easy 2 point manual calibration, 700 hour battery life. Its economical and simple to use. ITEM CODE HI98107 DESCRIPTION pHEP Tester SRP $66.95 More great products online at Hydrofarm.com ITEM CODE DESCRIPTION HIPHTDSKIT Solution Starter Kit (pH, TDS & Cleaning) Solution Starter Kit (pH & Cleaning) HI7004L pH4 Calibration Solution HI7007L pH7 Calibration Solution HI70442M 1500 ppm Solution HI7031M 1413 mS/cm Solution HI70300L Storage Solution 16 oz HI7061L Electrode Cleaner 16 oz HI70442P 1500 ppm @25C Calibration Solution 20ml HI70004P pH 4.01 Calibration Sol. 25/pk HI70007P pH 701 Calibration Sol. 25/pk HI70030P 12880 S/cm Calib Solution, 25x20ml HI70031P 1413 S/cm (EC) Calib Solution, 25x20ml 25/pk HI70032P 340 | hydrofarm.com 1382 ppm @25C Calibration Solution 20ml SIZE SRP $20.95 20.95 16 oz 16 oz 230 ml 230 ml 500 ml 500 ml 20 ml 18.95 18.95 13.95 14.95 18.95 19.95 31.95 20 ml 20 ml 20 ml 31.95 31.95 31.95 20 ml 31.95 20 ml 31.95 METERS & SOLUTIONS COM-80 WATER RESISTANT EC/TDS METER Replacement sensors at Hydrofarm.com Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a large, easy to read LCD display. Measurement Range: 0–9990 μS; 0–5000 ppm; 0–9.9 mS; 0–5.0 ppt with a temperature range of 0–80 °C; 32–176 °F. Uses one 3 V button cell battery (included). AQUAPRO TDS/TEMP METER Measures total dissolved solids (TDS) and temperature. Features Automatic Temperature Compensation (ATC) in a water-resistant housing. It measures from 0-5000 ppm, has digital calibration (push button), auto-off function, data-hold function and lowbattery indicator. Large, easy-to-read display with simultaneous temperature reading. The AquaPro is calibrated with a 342 ppm NaCl solution. Can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. Includes cap and batteries. ITEM CODE DESCRIPTION HMDAP1 Aqua TDS/Temperature Meter ITEM CODE DESCRIPTION HMDCOM80 EC/TDS Temp Water Resistant EC/TDS Meter PH-80 WATER RESISTANT pH/TEMP METER SRP $42.95 DESCRIPTION pH Temperature Meter SRP $62.95 PH-200 WATERPROOF pH/TEMP COMBO METER Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficient and accurate due to its advanced microprocessor technology. It features a measurement range of 0–9990 ppm. From 0–999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image. This handheld/portable pH tester is perfect for both consumer or commercial use. It measures both pH (0–14) and temperature (0–80 °C; 32–176 °F). The PH-200 meter is three-point factory calibrated to 4, 7, and 10 pH. The meter can be recalibrated with digital calibration using the push buttons. It is accurate to +/- 0.02 pH. Comes with cap, batteries, and lanyard. SRP $37.00 ITEM CODE DESCRIPTION HMDPH200 Waterproof pH Temperature Meter HMDSPP2 Replacement pH Sensor SRP $99.95 49.95 pH STORAGE SOLUTION COM-100 WATERPROOF COMBO METER For use with HM Digital’s PH200 and PH-80. Always make sure your sensor is kept in an electrode storage solution. Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options – KCl (.5), 442TM (.7), NaCl (.5) – each with its own non-linear conversion factor, and automatic temperature compensation (ATC) using three temperature coefficients. Four scales: μS, mS, ppm, ppt. Measurement range: 0–9990 μS; 0–8560 ppm; 0–9.99 mS; 0–8.56 ppt (auto-ranging). ITEM CODE DESCRIPTION HMDCOM100 EC/TDS Temperature Meter HMDSPC1 Replacement Platinum Sensor Resolution: pH 0.1 pH, 0.00–14.0 pH. Accurate to 0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice moisture (or lack of ) on probe. Glass encased reference electrode helps retain moisture. Batteries included. ITEM CODE HMDPHM80 TDS-3 HANDHELD TDS METER ITEM CODE DESCRIPTION HMDTDS3 TDS-3 Tester Pen SRP $47.95 CALIBRATION SOLUTION NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. SRP $76.95 36.95 ITEM CODE DESCRIPTION HMOPSTOR pH Storage Solution HMDC1000 1000 ppm Calibration Solution SRP $6.95 $6.50 hydrofarm.com | 341 METERS & SOLUTIONS DIGITAL MOISTURE METER This sleek, updated design offers an instant and easy to read digital format. It checks soil moisture where it counts: at root level. Monitoring a plant’s soil moisture level helps prevent over and underwatering. Batteries required and included. Digital results from 0 to 9.9. Includes printed instructions and extensive plant list. RAPITEST ELECTRONIC 4-WAY ANALYZER Unique three probe design allows one meter to measure the essentials for plant growth: soil pH, fertility, soil moisture, and the amount of sunlight per day. ITEM CODE LL01880 DESCRIPTION Rapitest Electronic 4-Way Analyzer ITEM CODE LL01825 DIGITAL SOIL THERMOMETER The slender redesigned meter style provides an easier to read, instant digtal read-out. It measures and displays the acidity/alkalinity of garden and container soil. Digital results from 3.5 to 9.0. Instructions and plant pH preference list included. Batteries are required and included. DESCRIPTION Digital pH meter Improve your seedling and transplanting results by planting at the safe and proper soil temperature. Easy to read digital readout. Guidelines for germination and transplant temperatures included. SRP $13.95 RAPITEST DIGITAL 3-WAY ANALYZER DESCRIPTION Rapitest Digital 3-Way Analyzer 342 | hydrofarm.com ITEM CODE LL01625 DESCRIPTION Digital Soil Thermometer SRP $14.45 RAPITEST pH SOIL TESTER This digital 3-way soil analyzer will help you get the proper readings for soil pH, soil fertility, and soil temperature. Gardeners enjoy using meters as an easy and convenient method to check soil for these readings; just a couple of touches to the digital analyzer deliver information for optimal plant growth. This analyzer will help you see fertility levels. It has a quick and easy to read fertility meter that reads the combined levels of nitrogen, phosphorus and potash to determine proper health, growth and productivity for your plants. This tester also has a test feature for soil temperature and pH levels. • Easy to read digital results • Measures soil pH, soil temperature and soil fertility • Fertility results are compensated for soil temperature • Guides and instructions included for all 3 functions • pH readings are auto-adjusted based on soil temperature ITEM CODE LL01835 SRP $11.95 SRP $34.95 DIGITAL pH METER ITEM CODE LL01845 DESCRIPTION Digital Moisture Meter 1 color comparator for pH. 10 tests. ITEM CODE LL01612 DESCRIPTION Rapitest pH Soil Tester SRP $5.45 RAPITEST SOIL TEST KITS Quickly and easily tests soil samples measuring levels of pH, nitrogen, phosphorus, and potash. 4 individual color comparators for pH, NPK. 10 tests for each. SRP $34.95 ITEM CODE LL01605 LL01601 DESCRIPTION Rapitest Digital Soil Test Kit Rapitest Soil Test Kit LL01605 LL01601 SRP $34.95 17.95 METERS & SOLUTIONS MILWAUKEE WATERPROOF pH TESTER DIGITAL BRIX REFRACTOMETER With a range of -2.0 to 16.0 pH at 0.1 pH resolution, this tester is accurate to ± 0.1 pH. Features automatic temperature compensation, calibration 2 points automatic, with auto-off after 8 minutes of non-use. User select 6 buffer types. Environment 32 to 122F (0 to 50 C). Display LED & push to hold. Battery life 300 hours of use. Requires four 1.5V button batteries (included). Unit is labeled "Martini Instruments" (a laboratory equipment division of Milwaukee Instruments). ITEM CODE DESCRIPTION MIPH55 Milwaukee Waterproof pH Tester MIPH55PROBE pH/Temp Probe for pH55 and pH56 • Range 0–85% brix, resolution 0.1% • With automatic temperature compensation (ATC) • Includes battery ITEM CODE DESCRIPTION MIMA871 Milwaukee Digital Brix Refractometer SRP $82.95 49.95 Smart 3-in-1 meter now has a faster processor, a 100% larger LED display, and the convenience of a single probe to measure pH, conductivity and TDS. Also features Automatic Temperature Compensation. Easy to calibrate. Simple and ready to use right out of the box. Comes with calibration solution, mounting bracket and 9V alkaline battery. (Replaces MISM802) ITEM CODE DESCRIPTION MIT75 Milwaukee TDS T75 Tester Waterproof MIT76 Milwaukee TDS T76 Tester Waterproof SRP $234.95 99.95 MW100 PORTABLE pH HAND METER pH METER W/ATC Highly accurate, portable and now faster than ever with a new chipset and motherboard, the MW102 features a double junction electrode with one meter cable, automatic calibration, and a new, larger, and easier to read LED display. Includes 9V alkaline battery. EC65 WATERPROOF TESTER ITEM CODE DESCRIPTION MIC65 EC65 Waterproof Tester pH MONITOR WITH HI-LO USER SELECT ALARM This pH Monitor has a range of 0.0 to 14.0, with 2-point manual calibration and accuracy of ±0.2 pH. Set point range is 3.5 to 7.5 pH. LED visual alarm active when reading is higher or lower (user select) than the set point. Comes with 12V DC power adapter, MA911B/2 double junction pH probe, 20 ml pH 7.01 calibration solution, and screwdriver for calibration. Also includes mounting kit and probe holder. DESCRIPTION Milwaukee pH hand meter SM101 Milwaukee pH Monitor SRP $85.95 85.95 The EC65 is a microprocessor based conductivity tester with a rugged one-piece IP67 waterproof casing. Submersible up to the LCD! This instrument is a low-cost and easy-to-use meter with a replaceable electrode. Features automatic temperature compensation, IP67 waterproof casing, replaceable electrode, and easy-to-read LCD. This smart pH meter is a low cost portable meter with a very fast and accurate processor. Unit comes with detachable probe, 9V battery and calibration solution. ITEM CODE MISM101 MIMC110 WATERPROOF TESTERS Stainless steel probes deliver fast and accurate readings with ten times better resolution. Comes with protective case and calibration solution. SMART 3-IN-1 METER WITH pH/EC/TDS ITEM CODE DESCRIPTION MIMW802 Milwaukee 3 Function MW802 MISE600 Replacement Probe for MIMW802 w/1m cable SRP $169.95 SRP $122.95 $141.95 SRP $80.95 CONTINUOUS MONITOR/ PORTABLE TDS METER This smart and simple TDS meter features manual calibration, faster processor, larger easy-to-read LED display, smaller & lighter ergonomic case design. Range TDS: 0–1990 mg/L (ppm). Resolution TDS: 1 mg/L (ppm). Accuracy TDS: 2% full scale. Calibration: 1 point - manual. Environment: 0–130F. Battery type: 9V alkaline (included). ITEM CODE DESCRIPTION MIBEM401 Continuous Monitor/Portable TDS Meter SRP $114.95 hydrofarm.com | 343 METERS & SOLUTIONS MILWAUKEE REPLACEMENT PROBES MILWAUKEE TDS - PPM MONITOR TDS - ppm meter. Range: 0–1990 ppm. 1 point manual calibration, accuracy at 1 ppm, supplied with MA811D/1 TDS probe, 110V power supply, unit mounting kit, probe holder, a 20 ml, 1382 ppm sachet calibration solution, and screwdriver for calibration. May be used as a stationary 24/7 monitor or portable TDS meter. ITEM CODE DESCRIPTION MIMC410 Milwaukee TDS - ppm Monitor SRP $128.95 SRP $56.95 99.95 Range: 0.0 to 14.0 pH Resolution: 0.1 pH Accuracy: +/- 0,1 pH Calibration: manual, 1 point Battery type: 3 x 1.5V alkaline (700 hrs. of use) SRP $33.95 AG900 KIT SRP $254.95 pH Meter, Range 0.00 to 14.00 pH, with 2 point manual calibration, manual temperature compensation, ±0.02 pH accuracy, comes with an SE220 double junction pH probe, 110V power supply, and 9V battery, with unit mounting kit, probe holder, 20 ml pH 7.01 & 4.01 sachet calibration solution and screwdriver for calibration – uniquely designed to serve as both a continuous pH monitor and portable pH meter. Milwaukee Instruments AG900 provides instant readings of the three most important factors in efficient plant production: pH, EC, and TDS. The AG900 kit comes with an MW802 hand held microprocessor, calibration solution, measuring cup for soil testing, a comprehensive 21page operational and testing manual, 9V battery as well as a protective carrying case. ITEM CODE MIAG900 SRP $136.95 pH TESTER WITH 1 POINT MANUAL CAL pH Tester with 1 point manual calibration, ± 0.2 pH Accuracy range: 0.0pH to 14.0 pH Full Range tester - Unit comes with 30 Day Warranty -- Snap Over Protective Case - 7.01 Calibration solution and calibration screwdriver are included with unit. 344 | hydrofarm.com ITEM CODE DESCRIPTION MISE220 Milwaukee Double Junction pH Probe for MW100 MISE600 Milwaukee Replacement Probe for MW802 ITEM CODE DESCRIPTION MIPH600 Milwaukee pH Tester w/1 Point Manual Calibration CONTINUOUS MONITOR/PORTABLE pH METER ITEM CODE DESCRIPTION MIPH600BX pH Tester w/1-Point Manual Cal MISE220 • • • • • Uniquely designed to serve as both a continuous combo monitor and portable combo meter. Range: 0.00–14.00 pH, 0–4000 ppm, 0.00–6.00mS/cm, accuracy ±0.20 pH and ± 2% full scale for EC & TDS. Comes with SE600 combo probe, 110V power supply, 9V battery, unit mounting kit, 20ml sachet of calibration solution of pH 7.01, 1500 ppm and 1413µS/cm. ITEM CODE DESCRIPTION MIBEM101 Continuous Monitor/Portable pH Meter MISE600 pH TESTER W/1 POINT MANUAL CALIBRATION SMART 3-IN-1 pH/EC/TDS CONTINUOUS MONITOR/ PORTABLE METER ITEM CODE DESCRIPTION MIBEM802 Smart 3-in-1 Continuous Monitor/Portable Meter DOUBLE JUNCTION pH PROBE FOR MW100 (Item #MISE220) For all “MW” and old style “SM” pH units – replaces the old MA911B/1. Includes 1 meter cable and gel filled electrolyte solution. REPLACEMENT PROBE FOR MW802 (Item #MISE600) For new style MW801 / MW802 units only. SRP $34.95 For soil and tank measurement of pH-EC-TDS. DESCRIPTION Milwaukee pH - EC - TDS KIT SRP $239.95 STANDARD CALIBRATION SOLUTIONS Available in 220 ml bottles and 20 ml sachets. Traditional buffer solutions are packed in 220 ml leak-proof bottles and are recommended for lab application. Sachets are sealed against light and air and are ideal for on-the-spot calibration. Simply open, insert the tester or electrode into the sachet and calibrate. Sachets are sold in boxes of 25 pieces. ITEM CODE MI10032P MI10442P MI10004P MI10007P MIMA9004 MIMA9007 MIMA9062 DESCRIPTION 1382 TDS Solution 20 ml 1500 ppm Sachet PH4 Solution 20 ml Sachet PH7 Solution 20 ml Sachet PH4 Solution 220 ml Bottle PH7 Solution 220 ml Bottle 1382 ppm Solution 220 ml SRP $24.95 24.95 24.95 24.95 10.95 10.95 10.95 METERS & SOLUTIONS MILWAUKEE pH HAND METER This smart pH meter is a low cost portable meter with a very fast and accurate processor. Comes with detachable probe, 9V battery and calibration solution. MILWAUKEE pH MONITOR WITH HI-LOW ALARM Features user selectable hi/low set point and visual LED alarm. Range: 0.0–14.0 pH; Resolution: .1 pH; Accuracy: +/- .2 pH. Set point range for alarm: 5.5–9.5 pH. Includes 12 VDC adapter and mounting kit, 20 ml pH 7.01 calibration solution, and double junction pH electrode (MA911B/2) with 2 m cable (BNC connector). NUTRADIP pH PROBE MILWAUKEE pH CONTROLLER WITH HI-LOW ACTIVATION Nutradip pH probes are a reliable way to measure acidity in your nutrient solution. This probe is a continuous monitoring pH meter with automatic temperature compensation, with DC power built in for portability. Nutradip probes are engineered for accuracy and durability, helping growers measure and monitor their success for over 15 years. Professional pH controller especially designed for use with aquariums. Features user selectable Hi/ Low Set Point, manual 2-point calibration, visual LED alarm. Includes 12 VDC adapter and mounting kit, power plug for CO2 dosing, and double junction pH electrode with 2 m cable (BNC connector). ITEM CODE MIMW100 MIMC120 MIMC122 DESCRIPTION Milwaukee pH Hand Meter – accuracy 0.1 pH Monitor w/Hi-Low Alarm LED & User Set Pnt. pH Controller w/Hi-Low Activation & User Set Pnt. ITEM CODE DESCRIPTION ND1100053 Probe pH Electrode SRP $115.95 149.95 199.95 MYRON L ULTRAPEN Comes with convenient holster The Ultrapen TDS/Conductivity/Salinity pocket pen offers the accuracy of benchtop lab equipment in an affordable, portable, compact pen. Extremely accurate, fast and versatile for use in diverse water quality applications, the Ultrapen is easy to calibrate and easy to use. Accuracy of ±1% of reading ±.2% at calibration point. Proprietary temperature compensation, TDS conversion algorithms, and autoranging. Highly stable microprocessor-based circuitry. Rugged, reliable, shock-resistant fully encapsulated electronics, body constructed of aircraft aluminum. Waterproof housing. True one-handed operation with simple onebutton function. High capacity N-type battery included. ITEM CODE JLPT1 DESCRIPTION Myron L Ultrapen – SPO SRP $209.95 MYRON L SOLUTION Myron L 442 Standard TDS Calibration Solution is the best choice when measuring city water supply, wells, boiler and cooling water samples, etc. “442” refers to the combination of salts mixed with deionized water to comprise this standard: 40% sodium sulfate, 40% sodium bicarbonate, 20% sodium chloride. A combination of standard salts is necessary since natural water salt type and concentration can vary greatly by location. ITEM CODE DESCRIPTION JL4423000Q Myron L TDS Calibration Solution, 1 L, 16/cs SRP $28.95 SRP 65.95 NUTRADIP AC/DC COMBO METERS These continuous monitoring meters feature automatic temperature compensation, with high quality probes and AC/DC power built in for portability. Engineered for accuracy and durability, they are lightweight, splash resistant and have an easy-to-read display. Wall mount or hand held. Includes replaceable 9V battery and calibration solution. ITEM CODE DESCRIPTION ND1100037 Nutradip ppm AC/DC Combo Meter ND1100024 Nutradip pH AC/DC Combo Meter SRP $113.95 122.95 TRI CALIBRATION KIT Nutradip calibration solutions are now available in this convenient tripack and are compatible with all popular scales and meters. Kit includes Nutradip pH4 Calibration Solution, Nutradip pH7 Calibration Solution, and Nutradip EC ppm Calibration Solution. ITEM CODE DESCRIPTION ND1100041 Tri Calibration Kit SRP $19.95 BATTERIES FOR pH/TDS PEN These 1.4V batteries are compatible with most digital pens. ITEM CODE DESCRIPTION HGPROBAT Batteries for pH/TDS pen (4pk/6 pks per case) SRP $6.95 hydrofarm.com | 345 METERS & SOLUTIONS WATERPROOF ECOTESTRS® Checking pH levels once a day might not be enough to prevent a serious problem in your water quality application. These pH meters feature a large display that lets you check your pH levels at a glance so you can optimize pH and nutrient strength during growth, flowering, and fruiting. DOUBLE JUNCTION pH TESTRS® High ±0.01 pH accuracy in a waterproof pocket-sized instrument. Features a double junction electrode ideal for dirty water and solutions with heavy metals or other contaminants. OK35423-00 ITEM CODE DESCRIPTION OK35423-00 Oakton Waterproof Ecotestr pH1, w/One Point Calibration OK35423-10 Oakton Waterproof Ecotestr pH2, w/Auto Temp Compensation & Up to 3 Point Calibration OK35423-10 SRP $69.95 87.95 * ATC = Automatic Temperature Compensation OK3563410 ITEM CODE OK3563410 OK3563420 OK3563430 OK3562438 OK3563420 DESCRIPTION Oakton pH Testr 10-.1 pH Accuracy ATC* Oakton pH Testr 20-.01 pH Accuracy ATC* Oakton pH Testr 30-.01 pH Accuracy ATC* Oakton Replacement Sensor for pH Testr 10/20/30 OK3563430 SRP $133.95 146.95 161.95 98.95 ECO TESTRS - TDS HIGH & LOW New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there’s no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, builtin belt/pocket clip keeps the tester accessible when not in use. OK3546210 ITEM CODE DESCRIPTION OK3546210 Eco Testr TDS Low – 0 to 1990 ppm OK3546215 Eco Testr TDS High – 0 to 10.0 ppt TDSTESTRS® OK3546215 SRP $83.95 85.95 ITEM CODE DESCRIPTION OK3566210 Oakton Waterproof TDS Testr 11 OK3566215 Oakton Waterproof TDS Testr 11+ 0-2000ppm/±1% FS OK3566117 Oakton Replacement Electrode for 11 Series Latest greatest @ Hydrofarm.com ITEM CODE OK3542500 OK3542505 OK3542550 DESCRIPTION Waterproof PCTestr 35 (ph/conductivity) Waterproof PTTestr 35 (pH/TDS) Replacement Sensor 346 | hydrofarm.com OK3566215 SRP $117.95 159.95 70.95 CALIBRATION SOLUTIONS WATERPROOF DUAL PARAMETER TESTRS® Two important measurements in one instrument. The PCTestr tests conductivity and pH while the PTTestr tests TDS and pH. They feature easy-to-read displays, pushbutton calibration, hold function, and error messages. Valox® housing and stainless steel electrodes offer good chemical compatibility and durability, and are designed to float. All waterproof Testrs have replaceable sensors. Check nutrient concentration and temperature with one simple test. All the features of the TDS and more in a single instrument! Analyze hydroponic solutions using either cup-style or dip-style measurements. Cup-style is ideal for small volumes, samples from valves, or when it is impractical to use dip-style sensors. Oakton® buffers for meters with 0.01 resolution are standardized against NIST-certified pH references within 0.01 pH at 77°F (25°C). Store buffers away from direct sunlight. OK3542500 OK3542505 SRP $192.95 192.95 112.95 ITEM CODE OK0065400 OK3565301 OK0065404 OK0065318 DESCRIPTION 4.01 pH Calibration Solution, 500 ml 4.01 pH Calibration Sol. (20 pouches/bx) 7.0 pH Calibration Solution, 500 ml 1413 TDS Calibration Solution, 500 ml SRP $16.95 45.95 $16.95 16.95 METERS & SOLUTIONS DIGITAL pH CONTROLLER PH UP & PH DOWN – PH ADJUSTING SOLUTIONS Accurately, reliably, and automatically measures and controls the pH of any waterbased solution, including hydroponic nutrient mixtures and fish aquarium water. Includes a chemically resistant low voltage dosing pump, and both pH and temperature sensors. Easy to read digital display, adjustable dosing and mixing times, adjustable pH dead band, maximum number of dosing cycles, pH high and low limits, and data logger. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. When the pH of the nutrient is not ideal, use the pH Up & Down Adjusting Solutions. For example, acid content can reach unacceptable levels when nutrient solutions are mixed with poor quality water or pH unstable media such as when rockwool is used, or when high plant growth rates destabilize the nutrient mix due to rapid nutrient absorption by the crop. ITEM CODE APCEPH1 APCEPH1RP APCEPH1SK DESCRIPTION Digital pH Controller Replacement probe for APCEPH1 pH Controller Sampling Kit SRP $369.95 64.95 74.95 pH/TDS-EC/TEMP METER Hydroponic Essentials Combo meter can be used anytime and anywhere to help you manage your crops’ daily nutrient requirements. Calibration of the pH and EC/TDS is very easy using the push buttons on the meter and Essentials calibration solutions. The Combo meter offers the added benefit of being able to select the display options for temperature as ºC or ºF and nutrient solution as EC/TDS. • Continuous, accurate monitoring solution • Easy-to-read display • Measures pH, nutrient strength, and temperature • Auto turn-off function • Factory calibrated ITEM CODE DESCRIPTION ESEPT1 Hydroponic Combometer pH/EC/TDS ITEM CODE DESCRIPTION pH UP LIQUID GH1521 pH Up Base, 8 oz GH1522 pH Up Base, 1 qt GH1523 pH Up Base, 1 gal pH DOWN LIQUID GH1531 pH Down Acid, 8 oz GH1532 pH Down Acid, 1 qt GH1533 pH Down Acid, 1 gal pH UP DRY CONCENTRATE GH1525 pH Up Dry Base, 1.5 lbs GH1527 pH Up Dry Base, 16 lbs SRP $90.48 129.12 107.60 $90.48 129.12 107.60 $15.20 115.20 CALIBRATION SOLUTIONS General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use these reference solutions widely among many popular brands of meters using the NaCl scale. Technicians check each batch to ensure that these solutions are exactly calibrated. Great for hydroponics SRP $227.95 ITEM CODE GH1541 GH1542 GH1551 GH1552 GH1571 GH1572 DESCRIPTION pH 4.01 Calibration Solution, 8 oz pH 4.01 Calibration Solution, 1 qt pH 7.0 Calibration Solution, 8 oz pH 7.0 Calibration Solution, 1 qt 1500 ppm Calibration Solution, 8 oz 1500 ppm Calibration Solution, 1 qt SRP $7.54 21.50 $7.54 21.50 $8.20 21.50 pH TEST INDICATOR Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many experienced growers prefer this pH Test Kit to expensive electronic meters because of its reliability and ease of use. pH TEST KIT This pH test kit is good for 150 tests. At the rate of 3 tests per week it will last one year, making it excellent value for money. This kit covers a pH range of 3–10 measuring in 0.1 increments. (Wide Spectrum) Measures 3–10 pH. ITEM CODE DESCRIPTION ESPHTEST Active Aqua pH Test Kit SRP $5.95 ITEM CODE GH1514 GH1515 GH1516 DESCRIPTION pH Control Kit pH Test Kit 1 oz pH Test Indicator 8 oz SRP $17.20 7.54 10.76 hydrofarm.com | 347 METERS & SOLUTIONS BLUELAB pH UP & pH DOWN MICROBE LIFE pH UP & pH DOWN Bluelab pH Up and pH Down Solutions are formulated to the highest standards – just add what’s required to raise or reduce pH. Your plants will thank you for it. ITEM CODE BLU8010 BLU8009 BLU8008 BLU8007 BLU8006 BLU8005 DESCRIPTION Bluelab pH Up, 500 ml Bluelab pH Up, 1 L Bluelab pH Up, 1 gal Bluelab pH Down, 500 ml Bluelab pH Down, 1 L Bluelab pH Down, 1 gal SRP $219.00 203.00 188.00 $170.00 156.00 162.00 EARTH JUICE DOUBLE UP & DOUBLE DOWNTM The "best choice" for liquid pH adjusters. Proprietary formulation that offers superior pH control. DESCRIPTION Double Up, 1 qt Double Up, 1 gal Double Down, 1 qt Double Down, 1 gal ITEM CODE ML21398 ML21399 ML21400 ML21401 ML21402 ML21403 ML21404 ML21405 DESCRIPTION pH Up, 16 oz pH Up, 32 oz pH Up, 1 gal pH Up, 2.5 gal pH Down, 16 oz pH Down, 32 oz pH Down, 1 gal pH Down, 2.5 gal SRP $14.95 24.95 49.95 89.95 $14.95 24.95 49.95 89.95 TECHNAFLORA pH UP & pH DOWN TM ITEM CODE HOH81101 HOH81201 HOH85101 HOH85201 When used as directed, Microbe Life pH Up and pH Down safely raise and lower pH levels without harming plants. Both products combine pH adjusters for buffered effectiveness, and contain three electrolytes to help maintain osmotic balance. SRP $11.56 25.87 $11.56 25.87 Moderate and maintain optimum pH levels. Both pH-balancing aids are manufactured using the highestquality ingredients: potassium hydroxide to raise pH and nitric acid to lower pH. While ensuring stringent industry safety standards are met, Technaflora’s pH Up and pH Down are potent and effective in small doses. ITEM CODE TFPHU1L TFPHU4L TFPHU10L TFPHD1L TFPHD4L TFPHD10L DESCRIPTION pH UP, 1 L pH UP, 4 L pH UP, 10 L pH Down, 1 L pH Down, 4 L pH Down, 10 L SRP $14.09 28.21 54.08 $14.09 28.21 54.08 EARTH JUICE NATURAL UP & NATURAL DOWN These pH adjusting crystals will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micronutrient foliar solutions. ITEM CODE HOH81511 HOH81512 HOH84033 HOH84034 HOH84021 HOH84022 HOH84023 HOH84024 DESCRIPTION Earth Juice Natural Up, 1 lb Earth Juice Natural Up, 2 lbs Earth Juice Natural Up, 10 lbs Earth Juice Natural Up, 30 lbs Earth Juice Natural Down, 0.8 lbs Earth Juice Natural Down, 1.6 lbs Earth Juice Natural Down, 7.8 lbs Earth Juice Natural Down, 25 lbs. 348 | hydrofarm.com BOTANICARE pH UP & pH DOWN SRP $10.24 18.41 70.10 202.19 $9.10 16.38 58.42 168.50 Botanicare’s pH Up consists of a 29% concentrated Potassium Hydroxide solution that has an extremely low level of phytotoxicity and does not contain salts or chlorides. Botanicare’s pH Down consists of a 29% concentrated Phosphoric Acid solution that rapidly lowers pH levels with its gentle, non-burning formula. ITEM CODE BCNSPHHQT BCNSPHHGAL BCNSPHLQT BCNSPHLGAL DESCRIPTION pH Up, 1 qt pH Up, 1 gal pH Down, 1 qt pH Down, 1 gal SRP $143.40 111.80 $143.40 111.80 One button operation Replaceable pH electrode 1000 hours of battery life NEW HI98100 Checker® Plus pH Tester The HI98100 Checker Plus pH tester has been designed with many advanced features. The Checker Plus now offers automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off. The HI98100 Checker Plus is supplied complete with meter, probe, calibration solutions and cleaning solutions packaged in a durable plastic carrying case shop.hannainst.com | firstname.lastname@example.org | (877) MY-HANNA Supporting Our Community Hydrofarm’s Community Outreach and Educational Support programs were created to assist non-profit and educational organizations involved in horticulture and environmental sciences. With in-kind donations and technical expertise, Hydrofarm has been able to help schools and educational facilities launch and expand their programs, allowing students to learn hands-on gardening techniques and sustainable practices. Hydrofarm is happy to play a part in equipping current and future generations with the knowledge and expertise to live healthier and happier lives. Hydrofarm helps to support communities across the US with sustainable growing equipment.