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pH Testers




Product Image Item Name- Price
GH pH Control Kit

GH pH Control Kit

MSRP: $17.20 Includes: Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level) Ph Down (uses...
$9.89

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GH pH Test Indicator, 8 oz.

GH pH Test Indicator, 8 oz.

MSRP: $10.76 General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test...
$6.19

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GH pH Test Kit, 1 oz.

GH pH Test Kit, 1 oz.

MSRP: $7.54 Contains pH test fluid and test strips
$4.34

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Hydrion pH Paper

Hydrion pH Paper

MSRP: $9.95 Especially useful in hydroponics, this Hydrion pH Paper provides excellent color separation in both the acid range (below pH 7) and the...
$6.84

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