Activated charcoal naturally absorb moisture from surrounding. Its safe and can be reuse by dehumidifying in oven using low heat. I add borax into the mixture for extra moisture absorbing. The minute amount of borax ions can also act as anti-mould agent. This is what we learn from the Amish community for keeping their house dry and mould free. Let’s see if this works during coming winter. I will out them at the corners under each window.
DIY Dehumidifying Pack
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