Quote Originally Posted by gaineycruzin
Thanks guys!!! One more question and I think that I'm starting to understand all this stuff.

How do I maintain my chlorine level? My pool holds 5,000 gallons. I know that I need to keep testing but how high will 1 cup of bleach raise my level and so on?
1 gallon of regular (5.25%) bleach adds 5.25ppm to 10,000 gallons

1 gallon of Ultra (6%) bleach adds 6ppm to 10,000 gallons.

Each gallon will add double that to your pool. A cup is 1/16 of a gallon.

So one cup will add 1/16 of 10.5ppm using regular bleach and 1/16 of 12ppm using Ultra.