Published on May 12, 2017
Using a large Fresnel lens and parabolic mirror to boil 5 gallons of water or wort. This is the extended version. Part 1 of a 4 part series boiling 5 gallons of water. This is a very hard task and while I could have easily boiled 1 gallon, I wanted to test the limit of the lenses. Watch all the videos, there is a lot of info.
