I think it was the Terial Magic, made by Terial Arts. Looked it up on Amazon and, as I recall, there was a gallon version for sale there. Couldn't find it this time, but here is a link to the spray:
http://www.amazon.com/Terial-Arts-11...dp/B00KIFBMKO/
Here is a link to the Terial Arts website with the gallon version:
http://terialarts.com/terial-magic-gallon-size-bottle/
If you do a search on the QB for Terial Magic or Terial Arts, you should find a few more threads about it. Here's a link to one of them:
http://www.quiltingboard.com/main-f1...s-t254505.html