i recently put up one of those plastic waterscape backgrounds behind the glass. At first I wet the plastic and scraped out the bubbles like you would when contacting books... so the background is tight against the glass and show off better colours...and not dull. However in days the moisture started to dry off and i am left with a dull background. Any tips on how to keep nice and bright? I was thinking of some kind of oil or lubricant.... anything anyone has used and been successful? THanks.

skoom