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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 321 to 326 (of 326 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17 
 Sort by Popularity   Manufacturer   Product(s)   Model+   Price   Buy Now 
 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   $22.61 
 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   $26.38 
 MR32 Refractometer.   Milwaukee Instruments   MR32 Refractometer. 
MR32 Brixmeter Refractometer. This refractometer measures the sugar content of plant material directly derived from photosynthesis and reads in Brix. The user squeezes plant juices onto the refractometer's reading lens and then the user looks through the meter. A scale is observed known as the Brix scale. The higher the Brix reading on the scale the more sugar content in the plant ... — Ships from Portland, Oregon USA....more info.
 MI216   $110.40 
 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   $5.62 
 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   $17.45 
       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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA....more info.
 X500-110   $158.59 
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ECOPLUS™ COMMERICAL AIR 1 - 18 WATT SINGLE OUTLET
I bought this air pump to push air through 4 double micro po ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
DuctStat Plug-In Thermostat
DuctStat Plug-In Thermostat
$26.45
$23.92
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
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
pH CONTROL KIT (12/CASE)
pH CONTROL KIT (12/CASE)
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
24-7 Nutrient Monitor.
24-7 Nutrient Monitor.
pHydrion Litmus Paper. (ph Test Strip)
pHydrion Litmus Paper. (ph Test Strip)
Grocheck Combo Meter.
Grocheck Combo Meter.
pH TEST KIT 1OZ (24/CASE)
pH TEST KIT 1OZ (24/CASE)
KILL A WATT METER
KILL A WATT METER
OAKTON WATERPROOF pH TESTER 30
OAKTON WATERPROOF pH TESTER 30
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