Tapping Depth - Vacuum tubing systems

[DrTimPerkins]

How deep do you tap trees on vacuum tubing systems?
If you tap different depths depending upon size, please give the average depth for all your trees.
(Please note...there is a seperate Poll for gravity producers)

[DrTimPerkins]

Hey folks....keep those answers coming please......we'd like to get quite a few more responses. Thank you.

[DrTimPerkins]

Hi Folks...We need more responses....keep them coming!