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I've been getting a lot of DE in the pool and whenever I vacuum it up I see clouds of DE from the return. It's been gradually getting worse. Thoughts on whether it's time to replace the grids or if it's something else?

Ok, last fall before I shut everything down I noticed that the pressure in the filter kept rising and air was in the filter/basket. Backwashing temporarily fixed the problem but the pressure would rise in an hour or so and air would increase in the filter basket. I replaced the motor last year...

I opened my pool last weekend and ran into a problem yesterday. I had been vacuuming up the crud on the bottom of the pool and lost pressure. I have a Hayward DE filter and I cleaned the filter and tried starting again, still no pressure. The pump turns on and sucks out the water from the...