I was told by the owner in a email that the filters were DE. How do I add more DE after backwashing and where do I add it? Also, what is it (powder, gel) ?
Re: Testing chemical level for newb
I was told by the owner in a email that the filters were DE. How do I add more DE after backwashing and where do I add it? Also, what is it (powder, gel) ?
In-ground gunite 17,600 Gal, Nautilus FNS 36 DE Filter
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