I've seen claims of pool owners with DE filters going for months between backwashes, but find that I can only manage 2-3 weeks at most before I start to see a large air pocket in my pump basket and a reduction in flow (to the point where the heater can't fire).
Thinking my grids were gunky, I did a full breakdown and soak (first in dishwasher detergent, and then 10% muriatic acid solution). I put everything back together, added 9.5 scoops of fresh DE (1 scoop per 5sqft of filter area) and...
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Thinking my grids were gunky, I did a full breakdown and soak (first in dishwasher detergent, and then 10% muriatic acid solution). I put everything back together, added 9.5 scoops of fresh DE (1 scoop per 5sqft of filter area) and...
Read more
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