Tongue in cheek. I'm always on the side of the homebrewer. I think the 100 gallon limit is silly.
If they're going to regulate it then they need to focus on the distribution/sale not the manufacture.
I guess what I was thinking of was to recirculate water through a chiller as you described and use the small peltier to siphon off the heat. This shouldn't be too hard and the current draw shouldn't be too great.
I'm still new to brewing so the acidity on the copper problem was news to me but...
The use of a peltier "cooler" seems like a wonderful idea in keeping a set temperature stable. It will cool on one side of the plate and heat on the other. This is all based on the direction of current flow. Reversing the current flow switches which side is cooled or heated.
If you are...
I just racked my first batch into the secondary and am giving it a little time before bottling. Hoping to have it drinkable for Christmas/New Year.
My Step Father and I are getting into brewing together. He's starting with wine and I've started an extract kit of pilsner. We'll probably...