I've been using this for my grow tent for 3 months now. It is 2x3x4 in size and well ventilated. Without this device, about 40% moisture remains in my box. When the device is running at high power, the humidity in my box is about 60%. This humidifier is perfect for my needs and small spaces. I don't see this thing increasing the humidity in the bedroom much, but I could be wrong lol, I'll update my review when I try this, maybe in my big grow tent. Maybe even test it in the bedroom lol.
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