brewing equipment budget cost efficiency

Hey I figured out how to make a fermenter and air-lock during the quarantine because there was a ban on alcohol sales where I am I used this technique 3 times already to make mead and the results were pretty great I used water jugs which only had water in them, so I did not sanitize Also...

I was super-inspired by the "Automated HERMS system" thread from Blackheart and learned quite a bit about efficient brewery equipment process and design. I wanted to build a copy of the HERMS system but keep it on a tight budget (need to prove my new-found hobby is not a whiff). I tend to...