Actually that might be the solution ,it makes perfect sense why front pan won't boil. I'm also gonna add a bigger cfm blower this week .I DO know I'm under aired as well.
2015 First yr 50 taps, Oiltank arch 2x4 Flat bottom pan, 12 gallons finished
2016 New 2x4 arch ,Patrick Phenuef 2x4 hybrid pan, 80 taps on mainlines 33 on jugs
2016 5200 iters of Sap. 31 Gallons finished Great Year!
2017 105 taps all on gravity and main lines (Feb 20)
MF135 tractor
Honda Foreman Atv
Homemade sap collector wagon with 400 liter tank
2 Stainless steel 1000 liter storage totes
Timber King log splitter