Hayward filter air sound

[matt4x4]

Yours sounds like you sucked in a pool toy, might want to open it up and look inside!

[KirstenHW]

Matt - are you referring to me? (Its hard to tell with the threads sometimes). I don't have kids, so no pool toys . . . I thought I'd try the pressure gauge trick mentioned above. The low pressure vs. last year is perplexing to me as well.