Free 4-Way Test Strips
Check sanitizer level, calcium hardness, alkalinity and pH withone easy-to-read test strip
Dip strip in water one time. Compare test results to chart on back of the bottle.
Leisure Time Free sanitizing system, biguanide spas and hot tubs
Same as: BaquaSpa Test Strips (25 qty) but you get (50) – Baqua Spa