GoolRC Test Strip,Spa And Pool And Pool Test Pool Test Tester Kit Total 50ct Tester Kit Total 7-in-1 Test Spa Huiop Test Eryue 7-in-1 Eryue Test 7-in-1 Adben
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The test strips show accurate and clear results instantly, and the color chart on the bottle is easy to read. 7-in-1 Spa and Pool Test Strips for testing total hardness/total chlorine/free chlorine/bromine/pH/total alkalinity/nitrite. Simply dip this test strip into water and compare with color chart, easy to use. 50 strips well wrapped in waterproof and moisture-proof bottle for better storage and convenient transportation.