Bell Siphon Construction
A bell siphon is an “easy” way to drain a grow-bed in a aquaponic or
hydroponic system. The idea is that in an ebb and flow system, you have a
tank of fertilizer (for aquaponics its a fish tank) and a grow bed full
of plants. You then pump the fertilizer into the grow-bed and the
plants eat. The problem is that you cannot generally have the plant
roots submerged in water all the time as the roots will rot. And you
have to have a means to empty the tank so it does not overflow.
