Recent content by gmlear

Note: 22 psi is the level after backwashing and rinsing.

Sorry, I didn't include the hard numbers: Before: 22 psi After: 28 psi Too much sand? I followed the manual.

The pressure goes up by about 6 or 7 psi.

Last year I bought a house with an old inground pool that uses a Hayward Super Pump and a Hayward 270T sand filter. This year, after changing the sand (350 lbs.), I've encountered a problem. When I go to suction the bottom of the pool, the suction on the pump decreases significantly, until...