hi robert , as patrick says i wouldnt recommend dunking them,blow them with the airbrush if its not too thick.I try to keep all my completed ones in a cabinet with the doors closed to keep the dust level down,but even so a bit still creeps in.What i use is one of the big soft make up brushes,the type used for putting on blusher etc ,these are soft enough to get rid of light dust but not to knock off any delicate bits.If the dust is a bit more stubborn you could dampen the brush to help lift it and wash it out and dry it after. hope this helps cheers tony

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