Quote Originally Posted by PatL34
If you know the pool dimensions in gallons, you add 1 gallon of bleach to every 10,000 gallons to raise the Chlorine 1 ppm.

Pat has gotten you off to a good start, except for this point: If you add 1 gallon of 6% bleach to a 10,000 gallon pool it will raise your Cl by 6 pm. If you add 5.25%, it will go up by 5.25 ppm.

Janet