on my hcg/test injections, i usually load the hcg first, since its diluted in bacWater... and THEN load the test in... since oil and water don't mix, i like the two to be separate, so there is a line where one stops and the other starts... however. i accidentally pulled up 1ml of test, and THEN hcg... and the ****ing water was mixing in with the test all bubbly... and it never separated out all the way b'c of how viscous the test is.... on top of it, it was a delt shot, ...