On Saturday, September 30, 2017 at 2:41:29 PM UTC-4, Thomas wrote:
Thanks both for the link and assurance. I have been very uneasy about this and will sleep better.

Oct is no problem. Some people think they need high temps to seal,
but apparently the sealing sticks well enough at low temps that they
don't lift and eventually it gets hotter and they can seal even better
then.