It seems really oily. I used 1 bottle on a 72 gal, just to try it out. There was plenty solution in one bottle for the job. It works really good. Looks like the background was painted on. Doesn't dry like glue so you can easily remove it. Just remember to pre cut the background. Use a credit card to smooth it out. Wipe off the excess solution. I shaved the edges with a bic razor afterwards. I really like the outcome.