Genetics is the only thing it could be. The room hasn't dropped below 65 at night or 72 in the day so it couldn't be low temps. It could have been a rogue seed. It was one out of hundreds. https://www.rollitup.org/grow-journals/144247-600hps-hydro-grow-14-plants.htmldamn i love that color. what causes the color?
Click on my grow journal for updates. I'm about a week from harvestany updates?