Obviously you need to increase co2 and no you don't just pump up nutes you give your plant what it needs by reading the plant..
No I don't have access to the equipment the universities and scientists have but I listen to them. What are you doing?
Ive grown under real high watt led before (1000 watters) and i cant really believe your plants have not died yet. Probably because of the co2. But they really do seem hungry.
Your feed schedule is not going to look like anyone elses. These things are going to be real hungry under all that light and growth is all in sayin.
Im trying to mind my electric bill before i go back to the two 1000watters so im only using 400w in a 4x4 so we are very different right now. I do drain to waste hydro.
Good luck man, i never meant to throw shade it just raised my eyebrows when i saw all that wattage.