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 | Bluelab Commercial Truncheon - Nutrient MeterBig jobs require a big Truncheon! With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or...Only $98.75 |
 | Bluelab Original Truncheon MeterBluelab Original Truncheon Meter PPM, TDS, EC Tester The world's favourite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about,...Only $98.75 |
 | Bluelab Nutrient Probe Cleaning KitThe instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab® meter, monitor or controller. If the probe is contaminated or dirty, it affects the accuracy of the reading...Only $10.71 |
 | Bluelab pH Probe KCI Storage Solution 100mLThe perfect solution to store and hydrate your Bluelab pH products. Bluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of...Only $10.88 |
 | Oakton EcoTestr 1Ph levels at the press of a button - the Oakathon Ecotestr 1 is a compact, easy to use tool for keeping control of your plants environment. You won't be wondering "what to do" with this handy little jobber. Slips easily into you pocket...Only $61.86 |
 | Oakton EcoTestr pH 2Automatic temperature compensation. Waterproof, dust proof housing that floats. Easy to use; push-button calibration with auto buffer recognition. Includes transparent electrode cover/sample cup. Range: 0.0 to 14.0 pH. Low-cost pocket sized meter. Push-button...Only $77.79 |
 | Oakton Multi PT Testr 35 (pH/TDS/TEMP)Great for water, laboratory or plant use, this multi Testr features single-junction pH electrodes for longer life and wider range of sample compatibility. Pin-style conductivity sensors feature stainless steel electrodes for chemical resistance and durability....Only $171.36 |
 | Oakton pH Buffer Solution 4.01 -- 500 mlSolutions made specifically for Oakton® meters and testers to help insure acurate gradient readings. Use 4.01 and 7.01 in conjunction for the most acuracy.Only $18.15 |
 | Oakton pH Buffer Solution 7.01 -- 500 mlSolutions made specifically for Oakton® meters and testers to help insure acurate gradient readings. Use 4.01 and 7.01 in conjunction for the most acuracy.Only $18.15 |