Just take your spray bottle and incorporate water and dishwasher liquid (about two tablespoons need to do the trick) and pump the combination on to the ceiling as a mist, spreading it evenly and gently over the ceiling in little four-feet-by-six-ft increments. I have a 1996 property (Oak Wood made) http://popcorn-removal-contracto30479.ezblogz.com/25561621/the-basic-principles-of-remove-popcorn-ceiling-safely