Quote Originally Posted by let_her_flicker
You will need to run your chlorine higher using the best guess chart. You will also find out that once your pool is cleared up, you will need to add chlorine maybe only once a week as it takes longer to drift down to the point where you need to add chlorine again based on your CYA level. Some people like it, some don't.



Just to make sure there is no misunderstanding--let_her_flicker means that you will have to run your chlorine levels higher than most people--approx. 8-10 ppm--NOT higher than 17. However, she is correct in that TC=CC + FC.

Janet