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Convenient ready-to-use liquids—concentrated, fast-acting, high-purity, food-grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide. Not registered in OR at the time of this catalog printing.
GH pH Up Liquid Gallon (4/Cs)
Bluelab pH Pen
GH pH Down Liquid Gallon (4/Cs)
Bluelab pH Probe KCI Storage Solution 250ml (6/Cs)