The Custom Monotub Hygrometer & Thermometer is a compact, fast-refresh environmental monitor built for monotub mushroom cultivation. It gives you clear, at-a-glance humidity and temperature readings so you can maintain stable fruiting conditions with less guesswork — helping you decide when to mist, adjust airflow, or fine-tune you
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34 ratings
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Love these simple temp amd humid=
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Fern · August 28, 2026
It is too small for the premade holes
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Holger · August 26, 2026
Thanks for getting back to me quickly and having good customer service 😊