Question about Hayward EC75 HAYWARD PERFLEX FILTER SYSTEM W/1HP PUMP
THE PRESSURE ON MY FILTER KEEPS SPIKING. I TOOK THE FILTER APART, CLEANED IT, PUT IN NEW DE AND IT STILL SPIKES?
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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