The thermostat is off, I set it to 75% so it works when the humidity drops to 60%. I recommend 2 for a 4x4 tent to increase humidity. It blows easily and naturally holds around 45% humidity, which can stress seedlings if left like this for too long. If one fails, the other will support it. Overall I'm satisfied given the sheer amount of junk being sold here with misleading 5 star reviews. If you have a Capitol, get a humidifier for $200 or more with a solid warranty. I hope this review helps my fellow growers. 420 :)
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