Getting back in the hobby, I have been to some members houses whose tanks are in their garages. I would like to do an in wall for my next build where everything will be in the garage. I'm currently running a small 20g in there for the last month, and with no ventilation at all in the garage, it seems to be very humid. Garage stays fairly cool, no excessive evaporation, and temp of tank has remained under 80°. No cars or tools are in there, but concerned about my bicycles rusting and possible mold issues down the line. So my question: Is a dehumidifier necessary and do any members with tanks in the garage use one?

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