AquaChek Pool and Spa Test Strips – Blue (Biguanide)

Tests for: Biguanide, Total Alkalinity, and pH.

Ideal for customers who use biguanide as a sanitizer in their pool or spa.

Biguanide is a chlorine-free sanitizer such as BAQUACIL Chlorine-Free Swimming Pool Sanitizer and Algistat*, BaquaSpa, Sanitizer*, Softswim, Bactericide**, PolyClear***

For a clean and healthy pool, test the water at each end a minimum of twice a week!