Dream pond retrofit bottom drain 3 with air diffuser is the to go for option as its unique features ensure easy and a risk free installation in already existing ponds check price on amazon koi pond bottom drains frequently asked questions.
Pond bottom drain setup.
Installation of a bottom drain as for the actually 1 2 3 of getting the drain installed it s straight forward for even the average do it yourselfer a hole to house the drain is dug in the deepest section of the pond.
Follow the following steps to install a bottom filter first of all you have to dig a hole in the deepest section of the pond.
This set up is referred to as a gravity fed as it s the force of gravity that causes the water to be transferred from the bottom drain and into the settlement tank.
Then you have to make a perfectly balanced slope at the bottom of your pond so that the dirt can easily move towards the bottom filter or bottom drain.
The inscription reads thou shalt not build a koi pond without a proper bottom drain.
The ideal set up is to have the drain s continuously gravity feeding to the filter system s.
To do this place a 3 4 inch pvc pipe for air exactly 12 inches away from the edge of the bottom drain pipe.
Even then they knew.
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.
If you are using the advantage bottom drain cover with built in air diffuser you will need to install an air line.
Use these bottom drain fundamentals that we use to professionally design koi ponds each day.
Installation guide for bottom drains bottom drain under liner to skimmer and bottom drain above liner to external pump manifold.
I would say with these additions to a pond drain installation if you wanted to push the limits you could extend the service diameter of a 3 bottom drain to 12 and a 4 bottom to 14.