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.
Rectangular box welded pond liner insert flexible 168 00.
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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It is very important to make sure you have enough liner around all the sides of your pond before you cut the drain in.
The liner is installed as normal but cut out a hole of the geosynthetic around the drain.
Another option is to use expanding foam to fill any voids and provide a smooth surface for the liner.
Reach in to make sure both the liner and sump are both clean and dry with a rag.
Use a small paint brush to reach through thehole in the liner and brush away any debris that might have collected on top of the bulkhead flange.
Before installing a pond liner pack some dirt into any voids to create a nice smooth backing for the liner.
Pond bottom drains simply push dirty pond water to the filter and push it back into the pond once it is clean.