$18.99
Specifically formulated for spas & hot tubs Concentrated chlorine effectively sanitizes hot water May also be used as a shock treatment
Tests for bromine, pH, total alkalinity, and calcium hardness Contains 25 test strips Results in 10 seconds
Dual-purpose, concentrated liquid Protects against stains, scale, and rust by suspending minerals Clarifies water with a flocculating agent
Deactivates dissolved copper, iron and other metals that can affect water clarity & filtration Helps prevent spa water discoloration and surface staining Not compatible with chlorine or bromine sanitizers