This one is easy .
Do you have any WD 40 around the house ? Take the nozzle and straw that comes with it ,wash it in lacquer thinner if you,ve used it .Now ,put that nozzle on the paint can .
The bottle should be prepped with a foil or some other cover . I use a metal lid I,ve drilled a small hole in .Now transfer as much as you need . This is the important part .Besides being cleaner , the little hole , (when you,ve pulled the straw out ) will let the propellant gas out and you,ll have the paint you need .
It is a very important step . Always let the paint gas out BEFORE you try to use it . If you need bottles ,go to your hobby store and buy the three pack in their airbrush section . DO NOT buy plastic bottles though ! The other way is , if you use TESTORS or TAMIYA glue , clean out and save the bottles .This also applies to any MODELMASTER and regular TESTORS bottles . Happy painting ! - - - Tanker-builder