drainage systems/filters for everyones ponds?

[Cuqui18]

anyone wanna post some ics of how they built there drainage systems or filtration systems for their ponds or just the final products???

 

[heatherindeskies]

my pond is a kiddie pool which I use a sump pump on then a brush for cleaning... nothing special or fancy!!!!!!!!!!!!!!!!

 

[TLWR]

Skippy filter on our pond - approx 70-80 gallons (the filter, not the pond)
Pond is built above ground with landscape timbers with a drain in the bottom.