Product: General Hydroponics HGC722145 pH Test Indicator, 1-Ounce
Brand: General Hydroponics
Reliably manage your pH levels with the General Hydroponics pH Test Indicator
Works across a wide pH spectrum (pH 4.0 - 8.5)
Super concentrated formula
Contains isopropyl alcohol
Includes sampling tube, reagent, and color comparison card

Search query: general hydro ph up and down
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