Originally Posted by
WestfordSugarworks
Get a boss hog pump that will run high cfm while pulling high vacuum. You want a vacuum pump that will achieve highest possible vacuum. From what I understand you get 5% more sap for every inch of mercury at the tap. We were able to pull 28.4 inches for a lot of last season on our Atlas Copco at the 10,000 tap bush and we got 34 gallons of sap per tap there. Of course last season was a banner year. The point is that an appropriately sized and high performance pump will be key to high yields, paired with a tight system.