make sure your alkalinity is right. That generally pulls the PH into where
it should be, but check that too. Then your chemicals will work properly.
Otherwise, without balanced water, you use far too many chemicals and have
H2O problems. Use test strips to check.
Then just shock and have your chlorinator set for a reasonable amount
depending on swimming load.
Most pool companies just LOVE to oversell the amount of stuff you really
I helped a chum setup his pool as described, and like mine we use about 1/2
of what the pool company would like to have me use, never any additives and
our water is always crystal clear.