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General Hydroponics pH Down
The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
General Hydroponics pH Down
$7.99
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1382PPM@25c Calibration Solution
1382PPM@25c Calibration Solution
$1.40
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TDS Calibration Solution 1500
TDS Calibration Solution 1500
$8.50
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General Hydroponics pH Control Kit
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
General Hydroponics pH Control Kit
$21.11
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HM Digital PH-80
HM Digital PH-80
$46.55
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1413mS/cm Calibration Sol. 25x
1413mS/cm Calibration Sol. 25x
$1.40
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GH pH Down Liquid
The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
GH pH Down Liquid
$35.99
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cyco 1800 TDS calibration solution
cyco 1800 TDS calibration solution
$8.00
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