Dutch Pro pH Down Grow is a nitric acid solution designed to lower the pH of your nutrient feed. Apply Dutch Pro pH Down Grow in small amounts until you reach the desired pH level (usually around 5.8 – 6.5 pH). Dutch Pro pH Down Grow is intended for use in overly alkalic nutrient solutions (pH 7 – 14) if the pH of your solution is pH 0 – 7 then you need to use Dutch Pro pH Up.
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