A flange clamps the liner down to the drain the liner acting as a gasket.
Koi pond bottom drain design.
Doesn t come with pvc pipe.
Optional model with air diffuser attached.
The bottom drain will be dug in towards the center of the pond floor and the drain will be connected via piping to a settlement tank or filtration environment.
The most noticeable feature of the spindrifter bottom drain twin is of course the extra connection in the sump of the drain.
Dig under the retaining wall boards so you can bring the pipe up to the hydrosieve pf pre filter.
With this purpose in mind koi pond drains have a unique design.
Locate the center of the bottom of the koi pond.
A bottom drain is not to be confused with underliner drainage systems which remove water that might collect under the liner.
A hole large enough for the bottom drain at the center of the pond.
These bottom drains are a perfect match for the easypro small pro pond skimmers.
Then trench wide enough and deep enough for the 4 drain pipe.
The ponds we build are mostly less than 4 deep which means a bottom drain isn t needed.
Pond bottom drains come in many sizes ranging from 40mm to 110mm they come in different qualitys also we at blackburn house koi stock many of them as we can.
This spindrifter bottom drain twin is used on circular ponds where only one drain is needed.
It isn t you need to keep your pond s bottom clean of both excrement and other organic buildup to keep water clear and fish healthy in the long run bottom drains are not difficult to install and because of the design a fear of leaking is unwarranted.
Large sump bottom drain for installation at lowest point of pond.
Measure end to end and side to side to find the center.
The bottom drain should be drawing water into the filter 24 hours a day.
If one s needed it ll be installed.
2 koi pond bottom drains that includes fittings and valve bulkhead fitting and bottom drain.
Bottom drains work by attracting bottom muck sludge and fish waste that settles on the pond floor usually through a gravity fed design.
The purpose of a koi pond bottom drain is not so much to drain the pond as it is to remove the debris from the bottom of the pond into the filter where it can be removed from the pond system.
A must for gravity fed systems.
Premier ponds builds sustainable ecosystems that don t need bottom drains.
Retails from 179 99 to 199 99.
Only within the last five years has a bottom drain been commercially available with an air diffuser built in to the unit to optimize efficiency of the bottom drain s ability to capture solids.