No worries lol. The aluminum actually keeps the heat in, by reflecting it back to the tank. If your house stays pretty warm, you can just duct tape aluminum over the entire uth, and that is usually sufficient. If you need more insulation, completely wrap the cardboard in aluminum first (shiny side out), and duct tape that completely over the uth.hlabone72 wrote: lol NP - My bad - sorry. You did already tell me. But doesn't the aluminum let the heat out still if just aluminum? So the card board would be up against the heating pad and the aluminum on the outside?
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