Biguanide is a chlorine-free sanitizer such as Splashes Chlorine-Free Chemical System, Baquacil®, BaquaSpa™ Sanitizer, SoftSwim™ Bactericide, PolyClearr® MaxiPolish Swimming Pool Sanitizer and Algistat, or Revacil® Swimming Pool Sanitizer
Tests for 3 important chemistries in seconds: Biguanide, Total Alkalinity, and pH.
User friendly easy-grip bottle with flip-top strip dispenser cap. Includes water chemistry insert and directions. For a clean and healthy pool, test the water at each end a minimum of twice a week!