6 in 1 Test Strips (50 Strips)

Biolab 6 in 1 Test Strips test for Total chlorine, Free Chlorine and Bromine, pH, Total Alkalinity, Calcium Hardness and Cyanuric Acid.  Biolab water testing is a complete water testing range for pools and spas, which provides fast and accurate water analysis.  Regular water testing means balanced pools and spas, less problems and happier pool and spa owners.