Testing 1-14PH Test Paper Detect Soil PH Range 1~14 Strips Tester Indicator
ab 5,14 €
8- 11 for alkalinity. Litmus paper changes color within 15 seconds to match pH scale color chart. -14PH test paper. Scale to 14 【Product grade】Qualified product. Due to the difference of different monitors, the picture may not reflect the actual color of the item.
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