Bidirectional tidal flow

[golf nut]

Originally Posted by MitchM

Another issue I thought of is that as well as having the OM unit work, the pump supplying the OM unit would need to be synced to turn off and on at the correct time.

If you simply want the water to flow from left to right every 5 hours,then I can show you how to do this without an OM unit, do you plan on leaving the pump off for a one hour period or do you want the water to go elsewhere during that period?