AquaChek Item Number 561625A 25 Strips 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! *BAQUACIL and BaquaSpa are trademarks of Arch Chemicals, Inc. **Softswim is a trademark of Bio-Lab, Inc. ***PolyClear® MaxiPolish is a trademark of Alden Leeds, Inc. Use of these trademarks does not imply endorsement. Tests for 3 important chemistries in seconds: Biguanide, Total Alkalinity, and pH.Also Sold as Namco Item Number: ET 561625
