New answers tagged boil-equipment
I personally would not use an aluminum kettle for a mash tun. Aluminum transfers heat too well. While that's great for a boil kettle or hlt, a mash tun needs to hold heat. Even if well insulated it will lose much more heat than its stainless steel counter part and way more than a cooler style tun.
You can certainly use aluminum for a mash tun and do a direct fired set up. It comes down to whether or not you like that process. I have a direct fired stainless steel mash tun. I use a false bottom and a pump to constantly recirculate the wort through the mash. This keeps things moving when I am applying heat and prevents scorching or overheating the ...
Aluminium is not used commercially as the risks of contaminating the work with aluminium, CIP with Caustic and Acid destroys aluminium. Likewise you do not want to contaminate your wort/beer. If the pH of your wort was to drop below ~4.5 then it would risk affecting the stability of the oxide layer. They would be fine to use for HLT or CLT. ie anything ...
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