Easy-to-read strips test spa water pH, total alkalinity, calcium hardness and bromine or chlorine levels.  

Features:

• Fast
• Easy
• Accurate

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

Tips:
Low calcium hardness levels can cause foam and corrosive water conditions, so use a strip that includes the calcium hardness test.

Compatible With:
Chlorine, bromine and ozone sanitizers.