AquaChek Pool Water Test Strips – Biguanide – 25 Count
AquaChek Blue Biguanide Test Strips (25 count) 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!