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This is my second year of pool ownership. I am still stumped on chemicals and opening pool. Took the cover off about 10 days ago, the water was green. I tested the levels of the pool and this is where I am now.
PH below 6.4
I have been told to shock until the chlorine level is good then work on ph level. I put 15 lbs of shock in yesterday a.m. and tested last night the FC level finally registered 1/2 on the scale however the PH level dropped out of the bottom. Now my FC is very low and the PH is very low. My question is this , which one do I get in line first FC or PH?
25,000 gal, sand filter,above ground,vinyl