I’ve had the same headache with uneven dissolving, especially back when I didn’t really pay attention to how fast the water was going in. What actually helped was slowing the whole thing down and letting the water slide gently down the side of the vial instead of squirting it straight onto the powder. When I rushed, the powder clumped and I’d end up rolling the vial in my hands for ages. Another thing I learned the hard way was not pushing extra air into the vial — once I did that by accident, and the pressure inside kicked back on the plunger. If you want a more grounded reference to compare your steps with, you can skim through Human Growth Hormone for sale https://veranmedical.com , since their explanations match pretty closely with what experienced users normally describe, especially regarding reconstitution. None of this is complicated once you’ve done it a few times, but early on the small details matter a lot more than people expect.