Save my tank!

[jason604]

Yea I agree about Derris removal. Tons and tons of Derris comes out of my rocks when I turkey blast it but not enough is going down my hang on back overflow to be picked up in my skimmer in time b4 it sets back into the rocks. I have tons of 1 lbs rocks in my tank so Derris get traps so easily this is why I bought all new rocks so I can change my aquascape to allow a lot of flow around rocks. Ok I do have one of those hang on back aquaclear filters but what should i put in it since I'm already running carbon in my reactor?

[Masonjames]

If you can't get the debris out through the overflow you gotta get it out through siphon. If you have a sump and filter sock just run siphon from display into sock placed in sump. You can siphon all day long like that if you want. Promptly remove sock after finished. Make that part of your regular maintenance schedule, new rocks or not.