Arctic Pure Boost (chlorine granules) - 2 sizes available

Chlorine Granules control bacteria and algae in Spa & Hot Tub Water. It is the most popular sanitizer for spas and pools.

Chlorine should be kept in the 2 and 5 ppm (parts per minimum) range.

I cap full should result in 1  colour change on your test strip.

When adding, be sure you have at least one pump running. Do not use your hot tub for at least 30 minutes after adding.