Brewing

https://www.reddit.com/r/prisonhooch/comments/lj2bu4/a_full_turbo_yeast_guide/

Ebay water distillers have temperature controls https://www.ebay.com.au/itm/195121821578

Add Tea for Tennins: https://medium.com/1-gallon-home-brew/simple-turbo-cider-7a2a83fc1eae

How to Use a Refractometer to Measure Specific Gravity

How To Use A Refractometer For Brewing & Distilling