From a perspective of sterility and keeping the needle sharp I always use a new needle to draw and then replace it with another new needle to inject. Just remember to clean the top of the vial with an alcohol swab before you draw.
Draw back the plunger to the desired volume and then inject the air into the vial, otherwise you will be creating a vacume and wont be able to draw the stuff out.
I use 20s to draw and prefer 25s to inject. Drawing with the needle you are using to shoot does dull it considerably. A box of drawing needles is pretty cheap.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.