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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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Displaying 61 to 80 (of 302 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Bluelab Grower's Toolbox-Limited Edition   Bluelab   Bluelab Grower's Toolbox-Limited Edition 
Bluelab Bluelab Grower's Toolbox-Limited Edition (BLU8000)A handy pack with everything you need to get going and keep growing! The Bluelab Grower's Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book, so you can get going... And keep... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU8000   $133.92 
 HM INLINE AQUAPRO TDS WATER TESTER   HM Digital   HM INLINE AQUAPRO TDS WATER TESTER 
HM Digital Aquapro TDS Water Tester Model AP-1 Measures total dissolved solids (TDS) and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range: 0-5000 ppm Digital Calibration (push button) Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature read... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716188   $23.94 
 Rapitest Digital 3-Way Analyzer   Luster Leaf Products, Inc.   Rapitest Digital 3-Way Analyzer 
Luster Leaf Rapitest Digital 3-Way Analyzer (LL01835)This digital 3-way soil analyzer will help you get the proper readings for pH, fertility and temperature. Gardener's, enjoy using meters as an easy and convenient method to check your soil for these readings and with just a couple touches to the digital analyzer you will have your information for optimal plant growth. This analyz... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-LL01835   $25.77 
 Active Air 3-Way Meter (12/case)   HydroFarm   Active Air 3-Way Meter (12/case) 
Active Air 3-Way Meter (12/case) (eco-2374)ActiveAir 3 - Way Meter Active Air™ Environment Meters Gardeners can conveniently test their moisture, light, and pH levels with the handy ActiveAir 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), light readings range from 0 (low light) to 2000 (very strong light), and pH readings between pH 0 (acidic)... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2374   $5.82 
 Bluelab pH Controller / Doser   Bluelab   Bluelab pH Controller / Doser 
Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it, and forget. The pH is taken care of. For use with reservoirs up to 200 US gal/760 L. Plant-safe green back lit LCD with adjustable brightness and large, easy to read display. Easy to navigate menu to program, adjust setting... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716342   $379.44 
 Hanna pHep 1 pH Pen (HI 98107)   Hanna Instruments   Hanna pHep 1 pH Pen (HI 98107) 
Hanna pHep 1 pH Pen (HI 98107) (eco-5523)pHep pHep®, the standard in pH measurement with 0.1 pH accuracy, has 2 point calibration, large LCD, pull out replenishable junction and 700 hour battery life. The pHep® pH tester features a casing that is more rugged and has been ergonomically enhanced to better fit your hand. The pHep® comes with a protective cap that can... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5523   $46.92 
 OAKTON WATERPROOF pH TESTER 10   Oakton   OAKTON WATERPROOF pH TESTER 10 
Oakton Waterproof Double Junction pHTestr® 10 Large Display WATERPROOF PH TESTER 10 Automatic Temperature Compensation (ATC)Push-button three-point calibrationMicroprocessor-basedAuto buffer recognitionHold functionCertifiable to IP67 standardspH range - 1.0 to 15.0 pHReplaceable double junction electrode... use Testr body many times over, which saves you money ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716046   $94.94 
 OAKTON WATERPROOF pH TESTER 30   Oakton   OAKTON WATERPROOF pH TESTER 30 
Oakton Waterproof Dbl Junction pHTestr® 30 w Temperature WATERPROOF PH TESTER 30 Dual Display of pH & TemperatureHigh 0.01 pH accuracy Simultaneous pH and temperature (C) displaypH range - 1.0 to 15.0 pH Three point push-button calibrationDouble junction electrode ideal for dirty water, heavy sulfides and organicsIncreased reference gel volume offers significantly ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716048   $116.70 
 pH Checker 1 Replacement Probe.   Hanna Instruments   pH Checker 1 Replacement Probe. 
HANNA pH CHECKER 1 Replacement Electrode for Hanna model HY1861.... — Ships from Portland, Oregon USA....more info.
 HY190   $27.99 
 pH Controller Sampling Kit   HydroFarm   pH Controller Sampling Kit 
Autopilot pH Controller Sampling Kit (APCEPH1SK)pH sampling assembly, allows for more accurate readings. Sampling kit includes a submersible pump, 3/4" x 5' tubing and molded sensor assembly with mounting bracket. The sampling assembly provides a stable method to mount the pH and temperature sensors. It uses a submersible pump to mix the water and to provide constant water fl... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-APCEPH1SK   $50.19 
 Rapitest Digital Plus Soil pH Meter   Luster Leaf Products, Inc.   Rapitest Digital Plus Soil pH Meter 
Rapitest Digital Plus Soil pH MeterThe Rapitest Digital Plus Soil pH Meter is programmed with plant pH preferences for over 400 fruits, vegetables, grasses and landscape plants. The meter's numeric format is easy to read. All results are displayed on the digital LCD screen, ranging from 3.5 to 9.0. Measures the acidity or alkalinity of your soil. Instant digita... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716915   $20.05 
 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130   Hanna Instruments   Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 
Hanna Instruments Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 (HI73127)Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 Manufacturer's Product Information MSRP each $62.95 Dimensions4 x 1 x 14 ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI73127   $52.89 
 Bluelab pH Meter   Bluelab   Bluelab pH Meter 
Bluelab pH Meter The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops' daily nutrient requirements. It is easy to calibrate... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716340   $140.62 
 EC Dipstick.   Control Wizard   EC Dipstick. 
EC Dipstick (formerly Nutrawand) by Control Wizard Products.New Name! New Label! Same Easy to Use Meter! Now with the 4 most popular scales: EC, CF, 500:1ppm, and 700:1ppm! No matter what meters you have used in the past, the EC Dipstick can read just like it. EC Dipstick (formerly Nutrawand) by Control Wizard Products dissolved salts pen, measures conductivity in both PPM, EC and ... — Ships from Portland, Oregon USA....more info.
 CW510   $59.57 
 Grocheck Combo Meter.   Hanna Instruments   Grocheck Combo Meter. 
HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response ProbeHANNA instruments® developed new F.S.T. technology for the new HI 9813-6. With this special security system, if the meter encounters incorrect readings, the instrument doesn’t display v... — Ships from Portland, Oregon USA....more info.
 HY177   $219.54 
 OAKTON 1413 CONDUCTIVITY SOL. 500ML   Oakton   OAKTON 1413 CONDUCTIVITY SOL. 500ML 
Oakton® 1413 TDS Solution... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716114   $15.29 
 Probe pH Electrode   FHD (Future Harvest Development)   Probe pH Electrode 
Nutradip (Tri Meter) Probe pH Electrode (ND1100053)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... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-ND1100053   $45.52 
 RAPITEST pH SOIL TESTER (12/CASE)   Luster Leaf Products, Inc.   RAPITEST pH SOIL TESTER (12/CASE) 
Rapitest pH Soil Tester [model 1612] PH SOIL TESTER (12/CASE) Kit includes: color comparator, 10 pH test capsules, complete instructions for adjusting soil pH and pH preferences list for over 450 plants for the home, yard and garden. All you do is put a sample of soil into the comparator, add powder capsule, add water, shake and watch the color develop. Then, note your result... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716755   $3.96 
 HM DIGITAL PH 80   HM Digital   HM DIGITAL PH 80 
HM Digital pH Meter Model PH-80 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 referenc... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716155   $42.18 
 pH Test Indicator 8 oz   General Hydroponics   pH Test Indicator 8 oz 
General Hydroponics pH Test Indicator 8 oz (GH1516)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. Use 3 drops per 5mL of solution. Manufacturer's Product Information MSRP each $10.76 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-GH1516   $7.21 
Displaying 61 to 80 (of 302 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
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