Installation guide for bottom drains bottom drain under liner to skimmer and bottom drain above liner to external pump manifold.
Installing pond liner bottom drain.
It is very important to make sure you have enough liner around all the sides of your pond before you cut the drain in.
Pond bottom drains simply push dirty pond water to the filter and push it back into the pond once it is clean.
Reach in to make sure both the liner and sump are both clean and dry with a rag.
Rectangular box welded pond liner insert flexible 168 00.
Place liner in pond.
An alternative to installing bottom drains is to remove the fish from the pond drain it wash the pond put clean water and then place back the fish to the pond.
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Another option is to use expanding foam to fill any voids and provide a smooth surface for the liner.
The liner is installed as normal but cut out a hole of the geosynthetic around the drain.
An x cut is made over the sump of the drain.