You dont have your location indicated so did you have a serious drop in temp in your area between the 2 tanks? Are you using a major brand of gas or a chain store ie sams, kroger etc?

Ducit Amour Hybridae
Mark Smith
Master Certifited Technician
Tempus non reparabilis fugit
"It isn't pollution that's harming the environment. It's the impurities in our air and water that are doing it."

Best Tank 35.0 MPG