Tests for Biguanide, Total Alkalinity and pH
Biguanide is a chlorine-free sanitizer such as Baquacil®
Chlorine-Free Swimming Pool Sanitizer and Pool Elegance
AquaChek™ Blue is a simple-to-use two-part test:
To keep your pool or spa water at its best, test at least once a week, and write down results so you can track changes over time.
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