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Our Test Strips contains paper. It can quickly detect the approximate range of free chlorine, bromine, ph and total alkalinity in water. Its application method is very simple: Submerge the pool test strip under water for 5s. Hold it still in the air for about 10s. Compare pool test strip to color chart on bottle. Test the water quality so that you and your family can swim more at ease.








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I built TwoFound Market because I was tired of overpaying for everyday products. Every item you see here is hand-picked by me — tested against real market prices, checked for quality reviews, and priced honestly. No inflated "compare at" tricks, no bait-and-switch. Just good products at fair prices, shipped straight to your door.