Test Strips (PTK07 / STK07)

Test Strips (PTK07 / STK07) Test Strips (PTK07 / STK07) PTK07/4way: 4-1 Test Strips (25 or 50) (free chlorine, total bromine, pH, alkalinity) PTK07/5way: 5-1 Test Strips (50) (pH, free chlorine, total chlorine, alkalinity, total hardness) PTK07/6way: 6-1 Test Strips (50) (pH, free & total chlorine, alkalinity, total hardness, cyanuric acid) STK07: Salt system test strips (20) To purchase, please follow our link at: https://canadapoolwarehouse.com/product/test-strips-ptk07-stk07/