Hello,
We have a black mold under our liner that shows up as a black stain in the deep end. It seems to fade out when I open the pool and I beleive the problem is due to cracks in my concrete decking allowing rain to get under the concrete and find it way under the liner. I repaired most of the damaged concrete two years ago and the stains have are not as bad. I am getting ready to install a new line this year and wondering if I should treat the gunite prior to installing the liner. I have read that clorx will kill the mold but I'm worried that it could damage the liner.
Does anyone have any experience with this problem. Thanks in advance.
Black Mold under Liner
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