Diy Bottom Drain For Koi Pond

Think of a koi pond as a swimming pool for koi.

Diy bottom drain for koi pond.

Bottom drains you should fit your bottom drains while the pond is under construction. Let the concrete dry install liner and then place drain cover on liner over pipe opening. Pour concrete in area around bottom drain and contour as per the following drawing. A bottom drain improves the water circulation and removes debris from the bottom of the pond reducing the maintenance of your pond.

For liner ponds remove dirt around bottom drain pipe 6 deep with at least a 9 radius. Fold the liner over the pipe like a paper towel over a drinking glass. 4 gravity flow bottom drains should optimally have a max flow rate of approximately 3600 gallons per hour and will service a 10 diameter pond bottom nicely. This is before you pour the concrete into the base.

3 gravity flow bottom drains should optimally have a max flow rate of approximately 1800 gallons per hour and will service an 8 diameter pond b ottom nicely. After you ve got your bottom drains in get all the pipework for the bottom drains laid out in position as well cut to shape lay it then pour in the concrete. Cut a hole in the middle of the pipe the diameter of the pipe 4 pipe. Bottom drains are considered a necessity in koi ponds or water gardens greater than 1 000 gallons where water quality and clarity are considered important.