- Test Strips are compatible with biguanide sanitizers
- Easily tests spa water in biguanide systems, so you can solve spa water problems and relax
- 25 one-dip test strips give quick, accurate results for clear, soothing spa water
- Recommended levels: pH 7.2-7.8, total alkalinity 80-120 ppm and calcium hardness 150-400 ppm
- Sirona™ Simply. The bromine-free, chlorine-free biguanide solution.
Available size(s): 25 count