"Koi-Lo" Inane messages in my name by Hipcrime. wrote in
:

Those small, cheap, insulated white Styrofoam picnic boxes at Wal*Mart
and K-Mart work well for canisters that make noise, or so I read on
some website. As for HOB filters..... *sign*........

I've never owned a canister that made noise, but then again I've never
owned a Fluval.