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I've been running my CO2 very high, like 1500 ppm . Plants still have not recovered

https://www.thcfarmer.com/threads/hlg-quantum-board-plant-stresses-issues.115669/ I found this thread. This fellow seems to know exactly what I'm talking about. I am going to try what he says and add extra cal-mag, iron, and silica to my feed

Hey! Thanks for the input, as I described above, my veg tent is just "starter tent". So I still veg for 2-3 weeks under my HLG's. And they grew great when the lights were 3+ feet away and turned all the way down. However when I turned the lights up to 800 ppfd on day 21 (which is still low for...

Great reply and input thank you very much

In the tents I was using those myco CO2 bags, 4 per tent. I didn't have a meter back then to measure ppms but they were loving life so they were getting what they needed. And no I'm the only one with access to the room .

Awesome thanks for the reply, very helpful

How far away do you keep your lights from each other? I know totally different layout I'm just curious

For sure, when I ran these lights isolated in 4x4 tents they preformed phenomenally.

Haven't sprayed anything except azamax in early veg

Thanks man , appreciate ya!

Dude same, it's crazy. Thanks for your input though I appreciate it more than you know.

And just one more time for people saying it's nutes, they went from this, to this, in less than 48 hours, all I did was turn up my lights. And all my other plants (I work at commercial facilities that use nanolux DE, have grown outside the past few years, and in tents) I've never had a nute...

A thing to note, my veg tent is only a 5x5, so it's not as much of a veg tent as it is a "starter" tent. I start the plants in there under the viper. Then bring them into the big room, veg for two more weeks and then flip. Or at least that's what Ive been trying and has been failing. This...

For sure , which would make sense why the leaf burning occurs when I first bring them in, but after I backed the HLG's off and turned them down the plants bounced back and exploded, but the whole time turned literally all the way down. Then at day 21 of flower when I turned the lights up is...

The most fried tops (well leaves, the tops aren't burned or fried at all) are directly under the lights. In between the lights the burning isn't as bad, although it still occured. And there are no fans on that portion of the wall blowing between the light spaces (hope that makes sense)

My lights are spaced 4.5 x 4.5 from each other, although seeing now it does say 5'x5' canopy for flower. But those specs are for full power, mined were only at about 75% when they fried to a crisp

Right, I'm familiar with windburn and have had it before, it's definitely not that. But my thought was maybe too much airflow could prevent the plants from breathing properly almost like a baby trying to breath facing the wind blowing ... Idk seems highly unlikely I'm just trying to think of...

This is the HLG and it's specs

This is the viperspector that the plants do extremely well under, at any height. I've never turned the bloom switch on, it stays on the veg setting.

I have four 16" oscillating fans on the walls , and only 4 led lights in the room. Is it possible I have too much air movement ?? Because there is a ton of air movement. I have four 10" fans on the floor as well to circulate air under the canopy