Spa 56 Chlorinating Granules are
specifically formulated for spas and hot tubs. The concentrated
granular chlorine effectively sanitizes and disinfects hot water.
Sodium dichloro-s-triazinetrione dihydrous 55% available chlorine.
Residual chlorine must read between 2 to 3 parts per million.
Frequent checks of chlorine levels are necessary. Test spa water
for chlorine levels with the
Complete Series Test Kit.