Hi - Newby here. This looks like the place. Thanks in advance for your help.
I have a 12k gallon inground pool with vinyl liner, Hayward DE filter.
Got a new test kit (Taylor) before posting. Readings are:
FC - 5ppm+ (5 is the max on my kit)
TC - 5ppm+
AL - 80
PH - 7.2
I have been adding...