pH Test Kit.
pH Test Kit. pH Test Kit.
[HY100]
Our price: $6.95
7.8% Off Retail Price $7.54 You Save $0.59!

GENERAL HYDROPONICS pH TEST KIT (LIQUIDS ONLY) Range of 4.0-8.5Add sample to be tested to the clear container and add three drops from the test kit bottle to it. Place the cap on tightly and shake. Now compare the samples color to the test chart.

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