Description
For use with Granular Chlorine. Keep your spa water balanced with regular testing. These strips test Total Hardness, Free Chlorine, Total Alkalinity, and pH. Recommended water balance with Granular Chlorine:
- Total Hardness 150 – 250 ppm
- Free Chlorine 3 – 5 ppm (1-3 ppm with spa frog mineral stick)
- Total Alkalinity 80 -120 ppm
- pH 7.2 – 7.8 (7.5 ideal)
Bottle contains 50 test strips.
