I have a setup on my balcony, using a 75 gallon fish tank, with 28 3-4" bluegill in it, and directly above it I built a 6' wide x 2' long x 12” deep wood grow bed, lined with a pond liner, using a bell siphon to siphon down, with no sump.

Its been running for about 4 weeks with massive plant growth, but im noticing there is a decnt amount of solid waste build up on the bottom of the fish tank.

My question is, what do you guys do with your solid waste? Is it okay to suck the waste from the bottom of the tank up into the grow bed?