Re: Small tank anodizing
There is that sheet foam that is flexible and used for packing, some of it is about 1/4" thick and makes a good insulation. It is easy to wrap around containers and secure. A layer or two of that does wonders to help hold the heat in. Even placing your bucket within another bucket helps.
We use a 55 gallon plastic drum for the sealer, wrapped with foam, and only use 4 300W heaters.
When you get it so the sealer gets up around boiling, it evaporates very fast, so you have to be mindful of that and not let it go dry and melt the buckets and then start a fire.
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