The last 2 weeks I have been struggling with air bubbles in the pool and can see bubbles sucking in by the pump pot lid. I replaced the o ring and lubed it up really well. There will be no air bubbles for 2-5 minutes and I think I've won, but the darn bubbles keep coming back.
It is a pentair whisper pump. I also replaced the motor gasket and put silicone around the suction pipes and pressure pipes. Please help.