Digital Hygrometer

This budget digital hygrometer shows temperature and humidity with Max/Min memory function which allows users to see the temperature fluctuation since the last check and it features a probe that allows for readings in two locations.

These units are not the most accurate that money can but they are an affordable solution that gives you a fair idea of whats happening in your growing environment.

If you love the numbers and a bit of gadgetry check out the AirComfort which really lets you drill into what is going on in your growing environment.