I am guessing you have gravel in your tank. Add a couple powerful power heads to push the water around. Switch to sand so crap stays on top and can hit the water flow easy. More powerful sump pump to add flow also.?
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I have sand substrate. I have a wet/dry sump with a magdrive 18 pump to return to tha tank. For the last 6 months or so i have been playing with 3 different powerheads inside the tank trying to arrange it in such a way as to stimulate water movement to get the ditritus up and over the overflow.
The main issue is that the tank is 8 feel long. return on one end and drain on the other. It does what is supposed to do to an extent and a lot of the crap does go up and over the overflow and into the sump, but a lot of it hangs out by the return side of the tank and settles at the bottom.
The powerheads get the ditritus in the water column, but i just cant aim them in such a way to get it to the overflow. Instead the crap just spins in circles around the return.
I do not have filter socks, but i do have 3 layers of filter pads in the top champer of the sump before it hits the bio balls. The 3rd pad down is 10 micron and the top two are more pourous the catch only the larger crap.
Basically, I am fed up messing with powerheads. I am ready to get a canister that will actually suck crap and I can keep it closer to the floor of the aquarium to get the crap off the sand....
I know it would be ideal to get an FX5 or equivelent but it just won't fit under my stand because the doors are too small. The magnum 350 is probably too small even for just adding mech filtration. I think the eheim 2217 is what i am going to end up with here. At least that can also handle some bio if my sump ever goes down for some reason.
