Swimming Pool Calculator
Since I believe that "if it works don't fix it" and "you don't need to reinvent the wheel" I will turn this task over to the guys at The Pool Calculator . CLICK HERE to get access to a great pool calculator and other good information.
NOTE: If you are using vinegar instead of muratic acid, multiply the amount of acid by 10. (Ex. they say add .7 oz of muratic acid for a 350 gallon spa, then use 7 oz. of white vinegar.
