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Meters/Timers

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Displaying 21 to 30 (of 34 products) [<< Prev]   1  2  3  4  [Next >>] 
 Product Image   Product Name   Price- 
 Electrode Storage Solution 16 oz   Electrode Storage Solution 16 oz   $11.95
 
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Use to store your pH meter electrode between use. This solution is designed to keep your electrode sensing membrane and reference junction clean and...
 GH pH Test Indicator 8 oz   GH pH Test Indicator 8 oz   $9.95
 
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Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops...
 Milwaukee 1382 TDS Solution 220 ml   Milwaukee 1382 TDS Solution 220 ml   $9.95
 
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Available in 220ml bottles and 20ml sachets. Traditional buffer solutions are packed in 220ml leak-proof bottles and are recommended for lab...
 Milwaukee 1413 Solution 220 ml   Milwaukee 1413 Solution 220 ml   $9.95
 
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Available in 220ml bottles and 20ml sachets. Traditional buffer solutions are packed in 220ml leak-proof bottles and are recommended for lab...
 Rapitest Soil pH Mini Meter   Rapitest Soil pH Mini Meter   $9.95
 
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Instantly tells you how acid or alkaline your soil is Check which plants suit your garden Enables you to alter soil condition Includes pH preferences...
 Sure Test pH Test Strips   Sure Test pH Test Strips   $9.95
 
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The Sure Test® Kit includes everything you need to test the pH of your water or nutrient solution. Includes 15 ft of pH dependent color changing...
 Calibration Solution 7.01 8 oz   Calibration Solution 7.01 8 oz   $7.95
 
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General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
 GH 1500 TDS Solution 8 oz   GH 1500 TDS Solution 8 oz   $7.95
 
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General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
 GH pH Down pt   GH pH Down pt   $7.95
 
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This concentrated acid formula is used to lower the pH in a reservoir.
 GH pH Test Kit   GH pH Test Kit   $7.95
 
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1 oz. test kit with test vial offers wide spectrum testing (pH 4.0 to 8.5). This concentrated solution requires only 5 drops per test.
Displaying 21 to 30 (of 34 products) [<< Prev]   1  2  3  4  [Next >>]