Wow... my pressure never exceeds 14. thats when I backwash.
try leaving the grids in the tank and fill it with water, then add acid... when done. just let the solution drain out via the backwash valve.
Re: cleaning DE filter
Wow... my pressure never exceeds 14. thats when I backwash.
try leaving the grids in the tank and fill it with water, then add acid... when done. just let the solution drain out via the backwash valve.
14'x31' kidney 21K gal IG plaster pool; SWCG (Saline Generating System's SGS Breeze); Pentair FNS Plus 48 DE DE filter; Whisperflow 1 HP pump; 8 hours hrs; kit purchased from Ben; utility water; summer: none; winter: none; PF:5.7
Re: cleaning DE filter
A friend gave me a hardly-used 60 sq ft filter that I will soon install, so I hope to get the kind of low pressures you've got, Phillbo. I suspect my 2 hp pump is the reason my pressures aren't lower. I don't see how I could let the acid clean the grids while in the tank, because when I remove the top half of the tank, the top 8-12 inches of the grids would be out of the water. Perhaps your filter is made differently?...
Hal
20x40 IG gunite free form, approx. 27K gal, 60sq DE filter, Jandy Stealth 2hp 2speed pump, Polaris 380, SWCG
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