i have a few questions about needles and i was hoping you could help, if i am doing sus and deca mix with 250mg sus and 200mg deca is a 3cc 23 guage 1.5 inch needle adaquate or can i go with a 25 guage i have seen were some say thats too small
and everyone says to use two needles, do they unscrew from the siringe and you simply put on new one, is that how it works i know not to resuse needles but can u resuse a syringe