Yay. On day 5 CO2 production exceeded its solubility and there was sudden moderate bubbling. Thanks for the hand holding!

A month ago I added 2 lbs of sucrose to 6 gallons of Campden treated cider, for a starting SG of 1.060. There was vigorous fermentation for 10 days before it totally stopped. I let things settle until day 21 then racked it off the lees into a clean 6 gallon glass carboy. Final SG was 1.001...