Question about Hayward EC75 HAYWARD PERFLEX FILTER SYSTEM W/1HP PUMP

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THE PRESSURE ON MY FILTER KEEPS SPIKING. I TOOK

THE PRESSURE ON MY FILTER KEEPS SPIKING. I TOOK THE FILTER APART, CLEANED IT, PUT IN NEW DE AND IT STILL SPIKES?

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There may be a calcium build up on the fingers, and just cleaning them will not remove the calcium. I would disassemble filter again, then give the fingers an acid bath. Mix about 50 -50 muriatic acid and water and let elements sit in a bucket with the mixture for 15 or 20 minutes, then reassemble and see if this fixes problem. (the quick test is to let the pressure get real high, than add some acid to the skimmer and see if that lowers the pressure at all)

Posted on Jul 15, 2010

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Posted on Jan 02, 2017

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The de coming back into the pump isnt anything serious, there may be a small air leak causing the water in the filter to drain into the pump.

As far as having to bump every couple of hours... is the pool really dirty?

Is your pressure gauge broken? Turn off the pump, does the gauge drop to zero? Alot of times they dont drop to zero, so when you hit 25psi it may really only be 15. Happens alot actually.

If pool is clean and clear and the gauge is fine... have you ever taken apart the filter and cleaned the de fingers? If not, i would take it apart, rinse all of the fingers and then let them soak over night in a filter cleaner solution. This cleans them much better then a plain garden hose spray. After they soak, spray them down again, add new de and you should be good to go....

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