protein skimmer problem

I have a fish only 100 gal tank with 90 lbs of live sand wet/dry w bio balls, fluval 405 and protein skimmer run by a rio 600 venturi power head. It all works fine. I had it set up for 15 years without the sludge build up caused by the protein skimmer. The tank was broken down for years. It's...

I have an OctopusBH2000 hob skimmer. Its been running for months. I just added a hob power filter to my tank and didnt disturb the skimmer but it overflowed water out of the top. I let it settle down and plugged it back in and the water rapidly went to the top. I put the small valve that come...

I'm running an Octopus skimmer (RO-PS-2000INT) with a Bubble Blaster pump. The pump creates an annoying hum that I can hear from the other room. Is this normal for this pump? If so, what be done to reduce or deaden the hum?

My protein skimmer started acting up today. I installed some new filter socks that I picked up at the lfs, and as soon as I did the skimmer started throwing out tons of white bubbles. I immediately unplugged it and collection cup was full of water. I checked the pump and adjusted the flow on...