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Testing Equipment, pH, PPM and TDS Meters
Testing Equipment, pH, PPM and TDS Meters
Rapitest Soil pH, N, P, K Test Kit
Kit includes: • 4 color color comparators • 40 test capsules, 10 each ...
pH Down, gallon In store pickup only!
In store pickup only! An important part of growing healthy plants...
Bluelab® Truncheon Nutrient Meter
No Calibration! Water proof! Auto On/Off! Reads EC, CF and PPM on one ...
pH Up, quart In store pickup only!
In store pickup only! An important part of growing healthy plants...
Bluelab® Commercial Truncheon Meter
With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will...
pH Up, gallon In store pickup only!
In store pickup only! An important part of growing healthy plants...
Bluelab Meter Probe Cleaning Kit
pH Cleaning & Calibration Kit:• Full Color Laminated Instructions• Cal...
General Hydroponics PH 4.01 Calibration Solution 8 oz
General Hydroponics™ uses the highest quality reference solutions, all...
General Hydroponics PH 4.01 Calibration Solution, quart
General Hydroponics™ uses the highest quality reference solutions, all...
General Hydroponics PH 7.01 Calibration Solution 8 oz
General Hydroponics™ uses the highest quality reference solutions, all...
Bluelab® pH Meter Contact Ring, 3 pack
A Contact Ring helps the Bluelab pH Truncheon maintain its waterproof ...
General Hydroponics PH 7.01 Calibration Solution, quart
General Hydroponics™ uses the highest quality reference solutions, all...
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