First of all, is this a vinyl pool? And is your Cl that high because you've been shocking to get rid of an algae bloom? What is your CYA level? Do you have metals in your water? These are all things that we need to know to give you guidance regarding your Cl levels.

Your alk is high and needs to be lowered, as is your pH. Take a look at the sticky at the top of the "Alkalinity and Calcium" forum to lower both of those.

Janet