As I was tapping recently, before I inserted a spout, I observed on some trees, a pulsating flow of sap as if there was a heart pumping it out of the tree.
What causes the pulsating?
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As I was tapping recently, before I inserted a spout, I observed on some trees, a pulsating flow of sap as if there was a heart pumping it out of the tree.
What causes the pulsating?
It's not likely pulsating, but rather a little builds up in the tap hole or in the tap, and as it builds up it eventually flows out.