HTH Multi-purpose 6-Way Test Strips for Swimming
2021-4-7 · The number of pads on the test strip determine the amount of water parameters you can test for. A test strip capable of testing for 5 water parameters is called a 5-in-1 test strip. A test strip that can test 6 water parameters is a 6-in-1 test strip…. and so on. You get the idea! But test strips are good for only a single test. You cannot ...
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