Help me identify this please, babies are suffering :'(

I mean you really think that slight bit of who knows what from ph drift to leaves touching medium is a concern ?
your plants in general look great
I have no idea about that particular leaf but pluck it if offends your eye
Its just that a couple of the smaller plants had maybe 3 to 4 leaf each completely filled with that.
Also a few bigger ones showing signs but w/e,
Forgive me for trying to create the best environment possible ;)))
 
I'm using co2 enrichment and quite strong lights so I figured the EC would be adequate, why do you think the EC is too high? I was underfeeding them for a good bit and followed the deficiency signs until they stopped at a minimum of 2 ec now at 2.6 ec some are still slightly lime green.
Smaller ones I went a bit too fast with so I staggered at 2 0 ec
 
Don't follow schedules posted by the manufacturers, they just want to sell product and nothing else.

Those numbers are good for chili peppers and tomatoes, not so much for growing Cannabis IMO.
You really want to push the plant is the trick, but yeah 3 ec since the 3rd week is a bit over the top so I do it my own way

BTW in the pics below the healthiest plants on 2 6 ec
 

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tstick

Well-Known Member
Looks like male preflowers from the pics, but I always allow myself to live in denial for a bit before I finally accept it. ;)


As far as the plants...They look healthy to me. The light might be a little too strong for them. Maybe try to dim them down a bit more or raise them if you can't dim them. I don't see a lot of tip burn, so the nutes are probably ok. Looks like a nice setup!
 

higher self

Well-Known Member
That Athena stuff is waaay to pricy to be using 3.0 EC. I feed at 500-800 ppms/ 1-1.8 EC using some cheap imitation Jacks ferts in coco & they defiantly look a lot greener. Feed less EC and water more often in coco, those plants look dry & could use at least 2 waterings a day. You probably could dim down the lights as well, just my 2 cents.
 
Looks like male preflowers from the pics, but I always allow myself to live in denial for a bit before I finally accept it. ;)


As far as the plants...They look healthy to me. The light might be a little too strong for them. Maybe try to dim them down a bit more or raise them if you can't dim them. I don't see a lot of tip burn, so the nutes are probably ok. Looks like a nice setup!
Much appreciated been putting a lot of effort! I checked the DLI and according to the chart with Co2 enrichment I can have them at 50-55 so that's what I adjusted the lights to.
Would It be better to have them close by the plants and dimmed( like 12 inches away the closest ) or farther away and on higher power?

Or is that just an energy issue in the end?
 
That Athena stuff is waaay to pricy to be using 3.0 EC. I feed at 500-800 ppms/ 1-1.8 EC using some cheap imitation Jacks ferts in coco & they defiantly look a lot greener. Feed less EC and water more often in coco, those plants look dry & could use at least 2 waterings a day. You probably could dim down the lights as well, just my 2 cents.
To be honest buying the pro line in bulk doesn't cost all that much.
The powder lasts forever in a grow like this

Even less EC will mean a deficiency I'm afraid
And everyone's been commenting on the dryness of my coco lol
Maybe I take the wrong moments to take a photograph.
 
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