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Normal light burn/bleaching or heat stress is different. This is something exclusive to these intense spectrum LEDs

Have you ever grown with quantum boards/ high intensity LEDS in an array?

I think this is the probably the most relevant/ helpful response. I wish I had taller ceilings. And am still stumped that I could run them so close at full power when I had them running in separate 4x4 tents

Exactly that's whats crazy , I took my meter outside and holy shit is the sun powerful. It's gotta be something about the red spec or something about the spectrum intensity. It's not heat stress and it's not your normal light burn, but I assure you guys from the lights. This has been going on...

They're not underfed, I assure you. They went from lush green and healthy strong growth, to burned to a crisp in less than 40 hours. The only thing I changed was that I turned my lights up to about 800. I 1000% agree with the comment about my room being more ideal for the strips. I've used...

Just for reference , this is what my plants used to consistently look like Everytime when I ran the exact same lights in tents .. it makes no sense to me. Sometimes the coloas would be like ,18" from the LEDs at MAX power (probably over 1000) . Now I'm FRYiNG my girls at 3' feet away closer to...

I feed them bat guano tea, I don't think the roof zone could be any more rich with nutrients and living microbes

Thanks for the input. I do run a run a tightly sealed room , there is no fresh air, just CO2 from the tank. This is something I will investigate.

I use an autopilot CO2 controller connected to a tank that keeps the ppms of the sealed room around 1200. (700 in veg) maybe I should try turning it up to like 1500 or 1600,?

Okay gotchya, thanks for the input, I'll try a super gradual dial upwards next run and see if I can get the plants to acclimate. And yes it's so strange how different it is than when I ran then alone in isolated tents. It must be something about the crossover light. I looked in the manuel and...

Thanks for the feedback everyone. So in veg I run my temps around 80°F with like 70 rh, they seem to like it almost tropical in there during veg, in flower I've got it dialed back to 77°F and 60 rh. My thinking was these figures would help transpiration if the leaves were burning from dryness...

day 23 of flower. Exactly TWO days after turning my lights up to 800 ppfd. I figured since they were done stretching and they're in full bloom they could handle it but they are pretty much dying. Obviously damaged leaves will never recover. I am around 300 ppfd now hoping they will heal and the...

lights at 200 ppfd and reflective walls covered. Probably day 12 of flower.

Has anyone else had serious trouble with spectrum burn on leaves with the HLG or quantum board LEDS? It's crazy how far away I have to keep my lights or else my leaves burn. They were pretty burned in early veg, so I turned the lights all the way down and raised them to like 3 feet. Boom...

Absolutely, something I completely overlooked/ didn't realize initially

Okay sounds like I need to get my all around temps up, thanks for the suggestions! That floor plan looks simple and effective, definitely doing that for the next round. And the oil heater seems like a great call too once I finish the insulated room. I believe I already have a little duel outlet...

I never thought of an oil filled heater, I will look into that! Currently I am building an insulated room around the tents so I'm hoping that fixes the temperatures

Hey thanks for the reply, I was thinking about skewering but wasn't sure if that would damage the roots. I feel like there is probably a spot in the center most of the pot that has never dried out. 20 gal is definitely over kill I agree! Lesson learned the hard way on that. I am gonna do four...

Going decent, running into a bit of trouble which I just posted about in this sub thread dealing with poor drainage in my pots. I'm thinking I went too big and the LEDs aren't putting off enough heat to dry such a large pot. So a combination of a lot of things, trying to figure out how to...

Even after a light watering they droop and it takes days for them to perk back up. When only giving 2.5 gal at a time, it still take 4-5 days to dry out enough to water again.