Pristine Blue Pristine Extra Shock for Pools and Spas
For starting up any Pristine Blue chemical system use Pristine Extra Shock for pools and spas. A rapid dissolving chlorine shock does not need premixed and will bring your pool and spa back to a non-chlorine status quickly by dissipating with the waste it oxidizes off the water. Pristine Extra Shock can also be used for algae, cloudy, and troubleshooting issues in pools and spas.
Dosage: 1 pound per 10,000 gallons for pool water start up, 1 teaspoon per 100 gallons for spa water start up.
Ingredients-Sodium Dichloro-s-Trizinetrione Hydrated: 99%, Other Ingredients: 1%, Available Chlorine: 55.5%