3 ml will give you easy dosing for mcgs. 200 mcgs would be 6 units.

Okay here is my thought process, keep an extra hydropeak at room temperature. When you want to open the hydropeak that's in the freezer, have the room temperature one standing by ready and open then get the one in the freezer, pull out the inserts, pop em in the room temperature hydropeak, and pop it back into the freezer. Next time, repeat the process as the one that was in the freezer will then be room temperature.And this should avoid condensation.

I use zelle with Sunrise Bioresearch