Case of 4 Gallons of 12.5% Liquid Chlorine 

DIRECTIONS FOR SWIMMING POOL CHLORINATION

For a new pool or for spring start-up superchlorinate with one (1) pint (16 flu. ozs.) of sodium hypochlorite solution for each 3000 gallons of water. This dosage is equivalent to 5 ppm available chlorine by weight.

FOR POOL MAINTENANCE
A) Adjust pool water pH to 7.6 - 7.2 range and maintain.

B) Add manually or by feeder device this sodium hypochlorite solution at a rate to maintain hypochlorite solution for each 4000 gallons of water will provide 1.0 ppm available chlorine by weight. Frequency of additions to maintain 0.6 to 1.0 ppm available chlorine will depend an available chlorine residual of 0.6 to 1.0 ppm. One-fourth pint (4 flu. ozs.) of this sodium on temperature and number of swimmers. Use test kit to make certain the pH and chlorine residual are in the proper range. 

C) Re-entry level: Re-entry into treated pools is prohibited above levels of 4 ppm. chlorine due to risk of bodily injury.