AquaChek One Minute Phosphate Test
AquaChek One Minute Phosphate Test is the most accurate method for phosphate testing: a one-step, one-minute phosphate test. Even very low levels of phosphate can feed algae and create problems in pool water. Test for phosphate once a week as the concentration in the water can increase rapidly due to rain, debris or bather load.
20 tests per bottle
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