Pristine Extra contains 99% Sodium Di-Chlor Granular. It is an effective Shock Treatment that can be used during start up routine maintenance or for trouble shooting.
For Pools:
1lb per 10,000 Gallons at Start Up
Sodium Dichloro-s-Trizinetrione Hydrated: 99%
Available Chlorine: 55.5%
Other Ingredients: 1%
