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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 347 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 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.
 eco-5523   $49.01 
 HANNA REPLACEMENT PH PROBE (HI73127) Special Order   Hanna Instruments   HANNA REPLACEMENT PH PROBE (HI73127) Special Order 
FOR Hanna Combo pH/EC/TDS/Temperature Tester With Low Range EC (Model HI 98129) The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS rea... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716831   $50.81 
 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.
 HY190   $25.33 
 Accurate pH 3.   Control Wizard   Accurate pH 3. 
This is the Accurate pH 3. This waterproof meter is a step up from Control Wizard Products' Accurate pH 2 meter. It's readings are shown in whole, tenths and hundredths of a pH point.It has a one-point calibration process for fast and accurate tests. This process requires the pH 7.0 calibration solution (sold separately).The electrode (CW504) is easily replaceable by the consumer a... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA...more.
 CW503   $64.95 
 MILWAUKEE MARTINI PH55 PH/TEMP PROBE ONLY   Milwaukee Instruments   MILWAUKEE MARTINI PH55 PH/TEMP PROBE ONLY 
Probe Only FOR Martini pH55/Temp Tester IP67 Waterproof pH tester with large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from 2.0 to 16.0 pH and simultaneously shows temperature from 5.0 to 105.0°C or 23.0 to 221.0°F. This tester has a stability indicator and hold function that freezes the display for easy and... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716799   $37.88 
 OAKTON 1413 CONDUCTIVITY SOL. 500ML   Oakton   OAKTON 1413 CONDUCTIVITY SOL. 500ML 
Oakton® 1413 TDS Solution... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716114   $14.23 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716915   $21.92 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716340   $153.72 
 Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N)   Hanna Instruments   Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N) 
Hanna Waterproof pH/EC/TDS MeterHanna Waterproof pH/EC/TDS Meter (HI 9813-6N) (716814)  HI 9813-6N is a versatile, water resistant multiparameter portable meter specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. It features an extra large LCD that clearly displays the parameter being measured as well as calibration ins... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716814   $196.42 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716048   $121.33 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716755   $4.33 
 Digital pH Controller   HydroFarm   Digital pH Controller 
Autopilot Digital pH Controller (APCEPH1)The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-based solution, including hydroponic nutrient mixtures, and fish aquarium water. After selecting the desired pH setting from 5.0 to 8.0 pH, the pH controller measures the pH value of the solution and automatically adds pH adjustment (either acid ... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-APCEPH1   $264.14 
 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.
 CW510   $62.22 
 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 Free Shipping when ordering $50 or more of qualifying items....more.
 HY177   $229.31 
 Hanna Conductivity Soil Test Pen (HI 98331)   Hanna Instruments   Hanna Conductivity Soil Test Pen (HI 98331) 
Hanna Conductivity Soil Test Pen (HI 98331) (eco-5523A)Hanna Soil Test Pen - The HI 98331 takes quick and accurate readings directly in soil. It is the only meter available that will take conductivity readings directly from the soil without creating a soil solution for testing. The meter also measures temperature and the conductivity readings are compensated for temperature... — Ships from Seattle, Washington USA...more.
 eco-5523A   $106.84 
 HM INLINE DUAL TDS MONITOR   HM Digital   HM INLINE DUAL TDS MONITOR 
HM Digital In-Line Dual TDS Monitor Model DM-1 INLINE DUAL DM1 TDS MONITOR Displays TDS levels of the feed water and product water with in & out electrode probes. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Dual Range 0-9990 ppm. Fac... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716186   $31.50 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716046   $100.41 
 Active Air 2-Way Meter (12/case)   HydroFarm   Active Air 2-Way Meter (12/case) 
Active Air 2-Way Meter (12/case) (eco-2373)2-Way Moisture/pH Meter Active Air™ Environment Meters Gardeners can conveniently test their moisture, and pH levels with the handy ActiveAir 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), and pH readings between pH 0 (acidic) and pH 10 (basic) are represented. The durable, easy-to-read tester is suita... This item is sold individually. — Ships from Seattle, Washington USA...more.
 eco-2373   $4.86 
 HANNA PH REPLACEMENT PROBE 6.6' (HI1286) Special Order   Hanna Instruments   HANNA PH REPLACEMENT PROBE 6.6' (HI1286) Special Order 
FOR Hanna pH-TDS_TEMP Monitor Model Hi 981504-7 Designed for continuous monitoring of pH, TDS and temperature, the HI 981504 is simple to install and can be placed above the sample to be tested. pH, TDS and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low light. This means no more switching between... Note: Calibration Buffer Solutions are available separately. — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716806   $46.97 
 HANNA REPLACEMENT PROBE (HI1285-0) Special Order   Hanna Instruments   HANNA REPLACEMENT PROBE (HI1285-0) Special Order 
FOR Hanna Waterproof pH/EC/TDS Meter (Model HI 9813-0) HI 9813-0 allows you to measure pH, EC (conductivity) and TDS with just one instrument! This meter has a full-spectrum pH measurement range. The EC range goes to 4.00 mS/cm. In the TDS range, both instruments use a conversion factor from 0.56 to 0.72 for fertilizer readings, to ensure your measurements fully conform to in... — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716836   $107.81 
Displaying 61 to 80 (of 347 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
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BOTANICARE® MICROGARDEN™ COMPLETE AEROPONICS HYDROGARDENING GROWING SYSTEM - 31" X 13.75" X 17"
Love this system this works great i still use it in my 9 sq ..
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