Hello, just opened my pool with various problems. First of all I have an inground pool with a Hayward sand filter approx. 11 years old. When I started pool I noticed a lot of air bubbles coming out of jets while the pressure never reached an adequate levell. I opened up pump lid and poured a lot water via hose into it to try to fill up return line. Started up pump again and noticed this time had no pressure at all out of jets and pump wasn't even filled inside to create pressure. Getting late here so giving up for the night.
If there is anyone with suggestions I would greatly appreciate them.