More Painting Fun

well the airbrush i bought online for 57 i found for 30 dollars in supercheap auto (Australia), it's a double action airbrush, badger 150 clone, same parts fit basically
so i also noticed they had a badger 400 clone, called a Touchup Spraygun, with a 1.5mm needle, 200mL container, runs at 45-55 psi, and sprays the paint unthinned

however im having problems, even with my airbrush, where the clear coat im using (painting with an additive for colour),is making stringy white stuff that gets everywhere, even on lower pressures it seems to do it, any ideas?

and for the badger 400, what distance from the work should i be using, 1foot?

not a bad lil buy though