Recent content by JohnInHouston

The first time I changed the o-ring I used a drill but the second I switch to a screw driver to avoid stripping the screws. I think I got it pretty tight. I don't see a vortex at skimmers.

I did the first time, not the second I think.

I have a Pentair system that is losing prime and getting a lot of air in pump basket. I replaced the pump basket o-ring. Then replaced the 3 inch and 1 inch o-rings on the valve. The air disappeared and the pool clearer came back to life. Then on the next cycle the air was back. I replaced...