Float Valves

I’m a big supporter of using float valves to keep the water level in an aquaponics system topped up a little at a time, when it is needed.

They should be installed just lower than the “normal low water level” in whatever tank fluctuates. That would be set the depth on the valve so that it will only add water into the system when water level drops below the normal low water level so that when the water is at the high level, you are not going to be overflowing from the valve adding too much water.

It has a hose thread connection and I recommend not using the metal mounting brackets but instead plumbing the valve into place so the plumbing will hold it at the correct depth.

Plastic stock tank float valve