Check sanitizer level, calcium hardness, alkalinity and pH withone easy-to-read test strip 

Applications:
Weekly:
Dip strip in water one time. Compare test results to chart on back of the bottle.

Sizes:
50 strips

Compatible With:
Leisure Time Free sanitizing system, biguanide spas and hot tubs

Advantage:
Fast, easy and accurate! Patented PopTop protects strips from moisture and UV light.