I usually tilt the can upside down and spray till no paint comes out, but sometimes it seems like there is a whole lot of paint coming out. Ive also used various concoctions to soak the nozzles in. This works sometimes if the nozzle is clogged, but doesnt seem to make a difference on a day to day basis. SO, I just had an idea......the reason for turning upside down and spraying is of course, to get air out of the can with no paint to clean the nozzle. Im gonna try removing the nozzle and shootig some compressed air thru it. Ive had compressors since 1965, so I have no clue why I never thought of this before!