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General Hydroponics pH Test Indicator, 8 oz. - 12 Pack

General Hydroponics pH Test Indicator, 8 oz. - 12 Pack

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 per 5mL of solution.

$87.24
General Hydroponics pH Test Indicator, 8 oz. - 12 Pack—
$87.24

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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 per 5mL of solution.

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