New to being a pool owner. Went through issue of chlorine turning water brown due to metals in well water. Got that fixed. Beautiful water. Now I see a light white film on top of pool. My TA has always been high but FL and PH have bee good so did not worry about TA. Today film is heavier here are my numbers...
FL - 5
TA - 270
CA - Problem with this. Test strip falls between the 30-50 & 100 mark but when I use the hth tester I get nothing so it appears to be less than 30.
Do I need to use muradic acid to lower both PH & TA? How much on a 8600 gallon above ground pool?
What is causing the white film on top of water?
Thank you for your help.