Mously just personal preferences I guess, no other reasoning behind it execpt avoiding scartissue when doing more local injections i.e. Biceps with 25G. Most of the time when blasting, I'm using just 23G pins, but if I'm doing several ED ijections, and have to constantly rotate injection spots, I will also use 25G pins. Even when injecting 2-3 ml at once, just got inject very slowly, especialy to smaller muscles. ( no, I don't iject 3 ml's in my biceps,lol! ;-) )
I'm injecting every single day. I usually just go for delts and glutes. Already getting bad scarring in my delts.
Solution? Instead of using 21guage, switch over to now 25gauge? Remember, I'm injecting up 2cc's of oil.
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