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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
every watering
transparent lid helps maintain warmth and humidity
PPF: 2304 µmol/s
Type B is for resistive-signal devices
which can devastate entire crops
AC Infinity VPD Thermometer - Temperature, Humidity & VPD Grow Room Gauge Environmental Controller every wateringAC Infinity VPD Thermometer The At a Glance VPD Gauge for Your Grow VPD (vapour pressure deficit) is one of the most useful numbers in indoor growing, because it tells you how easily your plants can transpire and feed. This AC Infinity VPD thermometer puts temperature, humidity and the resulting VPD right in front of you on a clear display, so you can adjust your environment with confidence rather than guesswork. Compact and simple, it is the quickest
