Wobbegong
- #1
I just cleaned out my Eheim professional 4+ canister filter and it is not working. At first it was making a weird thumping noise, I took off the top and looked at it but nothing seemed to be wrong, I scraped some of the sludge off with a toothbrush. I put it back in and now it is making another noise. I recored the filter making the second noise but I could not upload it to fishlike so here is a youtube link(You might need to turn the sound up: