Yes you should have sap in the tubing, if you don't then you have a leak, the leak let's air in and allows the tubing to drain.
Type: Posts; User: n8hutch
Yes you should have sap in the tubing, if you don't then you have a leak, the leak let's air in and allows the tubing to drain.
One thing I have learned , the hard way , is you want your drops cut into the tree either on the uphill side of the tree or the down hill side, all my new lines are on the uphill side of the tree ...