Re: I think I have calcium on the bottom of my liner.
How do you know it's calcium? (I know how to tell for sure, but few pool owners or pool dealers know.)Originally Posted by DJNerat
What does it look like or feel like?
What are your pH / alkalinity / calcium levels? Do you have a K2006 test kit yet?
Have you been using calcium hypochlorite granular chlorine a lot?
(membership upgraded.)
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