PondDoc

A bottom recirculation drain is a necessary component whenever you install an external pump.  It is also one of the components that make up the lowest maintenance pond filtering system you can build!  Traditional bottom drains are installed through the liner but there are other types like retro-fit inverted bottom drains and basket strainers that attach to the end of flex hose.  Learn the differences and choose the correct bottom drain for your pond.

Click HERE for a list of articles with information on using bottom drains in ponds.