I remember reading a thread a few months back where a guy made a sort of vacuum cleaner from a small pump. He never had to take the pump out of the water, but If I recall he placed a filter sock over the the nozzle and effectively was able to siphon out tons of detritus without ever having to remove the water from the tank. The vacuum could also be left in the tank for a few hours at a time cleaning.
Anyone ever made anything like this?
Anyone ever made anything like this?