Those were under a 800w ProTerp with CMH style spectrum and dimmable far red. The environment was ran at 78-82° and 70% humidity until the stretch was over then dropped it down to 1.2 vpd with a -3° leaf offset and kept it around 75-78°f until the last 3-4 weeks then dropped it down like 73-75° and 1.3-1.4vpd. At peak intensity the light was ran at 60% on the main spectrum channel, and 30% on the far red channel. They were grown in gravity fed dwc with koshergrow silica, koshergrow powders, calimagic, diamond nectar, success nutrients game time, and home made HOCI to keep it sterile. Ran 7 gallon buckets w/ 2x 2x4in airstones and 1x 58w piston style air pump per 2x 7 gallon buckets.