Determine the amount of Thio-Trine needed. Add only half of this required amount in front of return line with the pump running. Wait 1 to 2 hours and retest the chlorine or bromine level. Then introduce more Thio-Trine as needed to return to the desired chlorine or bromine level.
Pools: 1 oz. of Thio-Trine will neutralize 1 ppm of chlorine or bromine in 10,000 gallons of water. (1 oz. is equivalent to 4 tsp.)
Spas: Add 1/2 teaspoon of Thio-Trine with circulation system operating. Wait 1 hour before rechecking chlorine or bromine residual. If still to high repeat until residual is in the desired range.
Contains sodium thiosulfate
Use this product to neutralize excessive chlorine, or bromine levels. Compatible with chlorine, bromine, and biguanide sanitizers