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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 301 to 311 (of 311 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16 
 Sort by Popularity   Manufacturer   Product(s)   Model+   Price   Buy Now 
 GroChek pH Meter.   Hanna Instruments   GroChek pH Meter. 
HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple transformer. The electrode rests in your reservoir or nutrient tank and provides real-time pH monitoring. You can have a professional piece of equipment at consumer prices!... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY181   $99.93 
 pH Checker 1.   Hanna Instruments   pH Checker 1. 
HANNA pH CHECKER 1 (LIQUIDS ONLY) Digital readout.Not temperature compensating but a very good value. We don't get many of these returned so we keep on selling them. Out-performs their more expensive models. Replaceable electrode.... — Ships from Portland, Oregon USA....more info.
 HY1861   $40.27 
 pHydrion Litmus Paper. (ph Test Strip)      pHydrion Litmus Paper. (ph Test Strip) 
pHydrion PAPERS. LITMUS PAPER ROLL (LIQUIDS ONLY) Range of 5.5-8.0 ph Test Strip Paper... — Ships from Portland, Oregon USA....more info.
 HY187   $12.10 
 Replacement Probe(Electrode) for the MiniLab pH Meters      Replacement Probe(Electrode) for the MiniLab pH Meters 
HY1892 Replacement Probe(Electrode) for the MiniLab pH Meters. Fits both IQ120 and IQ125.... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY1892   $64.95 
 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 
 Moisture Meter.      Moisture Meter. 
RAPITEST MOISTURE METER (PROBE TYPE)... — Ships from Portland, Oregon USA....more info.
 MI210   $16.77 
 Soil pH Tester.      Soil pH Tester. 
RAPITEST SOIL pH TESTER with probe.... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 MI211   $22.38 
 Rapitest Electric Soil Tester      Rapitest Electric Soil Tester 
Determines soil pH and fertility in one unit. Includes instructions.... — Ships from Portland, Oregon USA....more info.
 MI214   $26.12 
 Soil pH Tester.   Luster Leaf Products, Inc.   Soil pH Tester. 
Rapitest Garden Soil pH Tester. Drop the contents of the capsule into the sample of water and soil. Match the color to the chart.... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 MI426   $5.56 
 Soil Test Kit.   Luster Leaf Products, Inc.   Soil Test Kit. 
Rapitest Garden Soil Test Kit. 4 Separate Tests (pH, Nitrogen, Phosphorus, Potassium)... — Ships from Portland, Oregon USA....more info.
 MI429   $17.27 
       Dosatron replacement screw in inline pH probe (Special Order) 
Dosatron replacement screw in inline pH probe (Special Order)... Note: Calibration Buffer Solutions are available separately. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 X500-110   $153.90 
Displaying 301 to 311 (of 311 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16 
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Specials more
Tape Gun - Spring Loaded 3 in (20/Cs)
Tape Gun - Spring Loaded 3 in (20/Cs)
$8.93
$8.32
Reviews more
HM Digital Waterproof pH Meter Model PH-200
Its a great meter Ive had mine for about 3 years and the onl ..
5 of 5 Stars!
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Most Viewed in pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
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BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
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MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
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PH600-AQ PH METER 10/CS
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Grocheck Combo Meter.
Grocheck Combo Meter.
pHydrion Litmus Paper. (ph Test Strip)
pHydrion Litmus Paper. (ph Test Strip)
pH TEST KIT 1OZ (24/CASE)
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