Is this led light burn?

Zmc2021 · Mar 29, 2021

480w led light. Usually 12-16”. Plants been fine for 2 months in veg.

They’re now 4 weeks into flower and these leaves showed up overnight at 14” from the light. There are taller stems that aren’t effected though that are like 10” from light.

Light is now 18-20”

Grownsince95 · Mar 29, 2021

If you're looking for evidence of light burn, pics of the very tops of the plants are most helpful.

That is an incomplete picture tbh.

Zmc2021 · Mar 29, 2021

Will take some tomorrow. Plants look amazing. Only this one plant has 3 or 4 leaves about 10% of the way down that are showing this. I’m sure it happened overnight as I trimmed them the day before and didn’t notice.

light hasn’t been adjusted in 4-6 weeks but the plants have sure grown in that time.

Grownsince95 · Mar 29, 2021

1 leaf or 2 out of a thousand so why worry ?

Keep calm and carry on

Zmc2021 · Mar 29, 2021

Scared it’ll turn to hundreds all of a sudden

also. Curiosity.

You have a point though.

BurnzYzBudZz · Mar 29, 2021

What’s the ppm in/out? pH in/out? Coco or soil? Looks like you’re headed for a lock out.. what are you feeding

Zmc2021 · Mar 29, 2021

Ppm in is about 1100. Out is close to the same

ph in is about 6.1. Cant remember ph out

soil

general hydroponics brand nutrients

mysticepipedon · Mar 30, 2021

it kinda looks like you're getting burned. The very top leaves aren't though, but that could be because they have trichs.

firstgrowdontknow · Mar 30, 2021

My plants had something similar happen to a few of the top leaves. In my case it was light burn but it started showing so late into flower that I just let it go. (like I had a choice lol) My top leaves were fine too, it took another, say 2 weeks to see burn show up on the sugar leaves, but mine also slooowly showed signs of light burn.

Zmc2021 · Mar 30, 2021

The tops

Dub_City405 · Mar 30, 2021

So if you are questioning your thoughts or ideas. How about give it a shot. Raise the light 4 inches. See if it occurs with new growth on top. Try 6 or 8 after that. If its a ways from the plant you know thats not it.

Bluntsmoke · Mar 30, 2021

Are these gg4 and sunset sherbet? Third and fourth (if it's different) plants needs a flush imo

Zmc2021 · Mar 30, 2021

Zkittles is the hydro and 2x soil orange cookies. 2x soil mac N jelly.

It’s watering day tomorrow. Should I give them just 6.0ph plain water?

They drink a gallon every 2-3 days. 5 gal fabric pots.

Bluntsmoke · Mar 30, 2021

Zmc2021 said:
Zkittles is the hydro and 2x soil orange cookies. 2x soil mac N jelly.

It’s watering day tomorrow. Should I give them just 6.0ph plain water?

They drink a gallon every 2-3 days. 5 gal fabric pots.

Going back and looking they look fine. Keep doing what you're doing. It's normal at this stage.

Zmc2021 · Mar 31, 2021

BurnzYzBudZz said:
What’s the ppm in/out? pH in/out? Coco or soil? Looks like you’re headed for a lock out.. what are you feeding

Ph/ppm in. 6.2 and 1000-1100ppm

Two ph/ppm out pics.

The one plant didn’t dribble much water but the water that did came out was 7500ppm!?!

Is this led light burn?

Is this led light burn?

Zmc2021

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Is this led light burn?

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