posts like this are both scary and reassuring to me.
They are scary b/c you see this kind of thing posted ALL the time and you realize just how many people who are brewing who have ABSOLUTELY no business doing so. They can't figure out the most simple unit conversions yet supposedly can figure out how to make a sterile environment and understand melting and oxidation temperatures?! Its scary to think you might be injecting "bathtub test" sort of speak...
Then again, you see more posts like this than you see of people having infections or other issues. Goes to show that if people are managing to not get infections despite probably doing shit wrong, that the risk of having issues when things are done right really is pretty damn low.