Unfortunately, filters are filtering the water and are not really designed to pick up stuff off the bottom. You can get the stuff off the bottom with a net, with a turkey baster, or with a little battery powered device that's designed to pick up stuff off the bottom.
Also, minnows or ghost shrimp are pretty good about cleaning up stuff off the bottom.
Also, there's something called Turtle Clean, which is a liquid that you put in the water that helps break down turtle waste. Once the solid waste has broken down the XP3 can pick it up.





