I am building an electric releaser and don't know what size pump I need to pump the sap out under vacuum.
I have a 1/3 HP submersible sump but that won't overcome the vacuum and minimal head of 4 feet. Without vacuum on the releaser the pump works fine.
Any Help is greatly appreciated.


Fisher Road Farm
190 taps on vacuum
130 on 5/16
60 on 3/16
DIY RO
2x6 Leader