masaccio Well-Known Member Joined Jan 15, 2019 Messages 431 Reaction score 224 Dec 24, 2020 #1 Arrived today MQ-500. I took a few sample readings compared with the Hydrofarm one I've been using for a couple of years. Readings with the Apogee are running about 10 μmol/m2/s higher. Significant, I would think.
Arrived today MQ-500. I took a few sample readings compared with the Hydrofarm one I've been using for a couple of years. Readings with the Apogee are running about 10 μmol/m2/s higher. Significant, I would think.
