Anyone have a source for the reusable pens? I’ve read where some are inaccurate with dosing. I do plan to test accuracy. I’m having a hell of a time even finding one to try.
OP
Anyone have a source for the reusable pens?
I have went threw about 10 different kinds, finally found one that feels good and is accurate its on alibaba can send you the link if you want it
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