u/Usual-Ganache-6716

I’m wanting to test some tesa just for piece of mind and to verify my veodor. I know there’s lots of controversy on this topic but who should I use

I’m wanting to test some tesa just for piece of mind and to verify my veodor. I know there’s lots of controversy on this topic but who should I use

I like using vendor BAC WATER, 10 ML for my GHKCU would it still be stable or will it degrade faster? Vendor is gray from China.

I have JKCU and hospira back water and vendor back water. I use Hospira for all of my other peps. But I like the 10 ML vendor back vile for the GHKCU would that be an issue?