Tips and notes: To ensure the longevity and effectiveness of the pool chlorine test strips, keep wet fingers away from the paper, please close the container after use. [Quick and Easy Testing]:Just soak in water for 1 second, then do not remove it to shake excess water and hold the test strip horizontally for 15 seconds. Compare with the colour chart on the bottle to achieve clear and accurate water quality results. [Clear Color Card, Easy to Read]: Our pool pH test strips are made of high quality fiber paper and non-bleeding color block, which further improves the accuracy of the test strips; the color results of the test are easy to read. [7 IN 1 POOL TEST KIT]: Tests all required parameters for your pool at once, such as bromine, total alkalinity, pH, free chlorine, total hardness, cyanuric acid and total chlorine. Control the water quality at any time. › See more product details; Product description Product description Pack of 50 7-in-1 pool water test strips for pH, water tester for spa swimming pool, accurate test bromine, total alkalinity, free chlorine, total hardness, cyanuric acid and total chlorine, pH Directions Weichen Sie den Teststreifen 2 Sekunden lang in Wasser ein. Halten Sie es 30 Sekunden lang horizontal. Vergleichen Sie den Farbwechsel mit der Farbkarte auf der Flasche, um genaue Wasserqualitätsergebnisse zu erhalten.; Product description Product description Pack of 50 7-in-1 pool water test strips for pH, water tester for spa swimming pool, accurate test bromine, total alkalinity, free chlorine, total hardness, cyanuric acid and total chlorine, pH Directions Weichen Sie den Teststreifen 2 Sekunden lang in Wasser ein. Halten Sie es 30 Sekunden lang horizontal. Vergleichen Sie den Farbwechsel mit der Farbkarte auf der Flasche, um genaue Wasserqualitätsergebnisse zu erhalten.; Product description Pack of 50 7-in-1 pool water test strips for pH, water tester for spa swimming pool, accurate test bromine, total alkalinity, free chlorine, total hardness, cyanuric acid and total chlorine, pH Directions Weichen Sie den Teststreifen 2 Sekunden lang in Wasser ein. Halten Sie es 30 Sekunden lang horizontal. Vergleichen Sie den Farbwechsel mit der Farbkarte auf der Flasche, um genaue Wasserqualitätsergebnisse zu erhalten.
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