Wow that is low. I did see another post about low sugar content recently, poor guy was boiling at 60:1 and 70:1. He also had massive amounts of sap. My trees seem stable each year at 3% but most of them are huge old sugar maples. If memory serves, Lesley, your bush is almost all young trees and I remember you said that they seemed to have a rough year in terms of foliage since last season. Wouldn't surprise me if low sugar content is to be expected as a result. Hope it gets better.