I want to make a pond vac
I want to make a pond vac. I thought about making it from a pool pump that has an outflow. I need it to handle sludge. Plants are in pots. Gets pretty sludgy 2x/year. Have always done it by hand, but it is such a mucky job, would like to do it more often, therefore having less of a problem each time. Thus, a pond vac.