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pH Meter for Water, Hydroponics Digital Tester Pen 0.01 High Accuracy Pocket Size with 0-14 Measurement Range, ph up and Down for hydroponics Growing System/Plants/Canning/Soil (Blue)
SAR 42
-11%
pH Meter for Water Hydroponics Digital pH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 pH Measurement Range for Household Drinking, Pool and Aquarium（Yellow）
SAR 42
