ENERGY FREE POND FILTER?

[solara]

HAVE ANYONE SUCCESSFULLY CREATED AN OUTDOOR POND FILTER THAT DOES NOT NEED TO USE ANY PUMP AT ALL? I WAS PLAYING WITH THE PRESSURE, GRAVITY AND PUMP VALVES BUT FAILED AT THE FIRST ATTEMP. ANY ADVISE FROM ANY ENGINEER, HYDROLIC ENG???

I POSTED HERE SO MORE PPL CAN READ AND DISCUSS.

 

[Nic]

700 gallons of water with ALOT of gold fish & 1koi + deep silt bottom + alot of bog plants= perfect water

 

[pondowner]

I would recommend lots of cattails, their roots grow very thick and seem to grab a lot of algae out of the water as it floats by.