OK ty guy

humm i use iwata eclipse hp-sbs with createx black color (opaque) don't know if opaque is same in English sorry if is not

i have a sparmax compressor at 20-25 psi i always clean my airbrush for my needles my airbrush is new i'v use maybe 4/5 time (spitting happen when i try to make very little dot or line that make little spider paw if i can say that

l. for water in i dry each pieces with towel's and i shoot lot of air before starting paint.

l ok im a noob and im a bit lost with that E.T

lllllll maybe that can come from the needles/trigger i don't really know if i need to tight a lot or if i need to set smooth