Pond Boss Forums INTRO Questions & Observations Siphon set up.

2 lengths of plastic water well screen. Or a length of pipe with a bunch of holes drilled in it covered with fine wire mesh, like window screen. The more holes and area that you have for the water to go thru the screen the better. The smaller the area the easier it is to clog and reduce the flow.

Fish as small as 1/4" long by 1/8" tall can contaminate the pond.