6 in 1 Test Kit

Biolab Water Testing 6 in 1 Test Kit for Pool or Spa tests Calcium Hardness, Free Chlorine and Bromine, Total Alkalinity, pH, Acid Demand and Alkalinity Demand.  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.