DUDE put a sponge over the end of your filter your impeller just got thrashed from all that free floating sand in your tank. And every time the bottom gets stirred up its gonna suck sand in. buy one the sponges u use in air powerd filter or take a aqua clear sponges slice a hole in it and slide over the intake tube. It will pre filter everything. Befor it reachs your impeller.


