Hey all, so ive come across some trouble with my 4 week old plant. I started off with mg soil, and switched over to some miracle grow organic soil with very low nute levels. I am currently using 5 26w 6500k cfls, a 24w 2700k cfl and an 15w fluorescent tube.
I have used nutes very sparingly 1/4 strength and relatively sparingly, but am a little concerned w my plant. the ph is fine (6.8-7) I try not to water it until the soil is dry to the touch atleast an inch or 2 down. Below i have some pics. do you think it is nute burn, or deficiency? or possibly burning from the lights (though im using cfls w a fan so i sorta find it hard to beleive, though the leaves are somewhat dry and yellowing and the tips are turning brown)

I know a lot of the people on here know their shit, so lemme know youre expert opinoin. Thanks!

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Do not put water on your plants leaves like that. cannabis are like roses, they only like their feet wet!
The browning tips I am pretty sure are from overwatering, that is what I have heard causes browning/dead tips.

The yellowing I beleive is a nitrogen deficiency, but since it is only on the edges, it might be magnesium deficiency?

NOT sure about the underlined part.

try giving them some fish emulsion, or some other High Nitrogen ferts like blood meal and see how the ywllowing goes.

I don't follow that finger test,when the plants are that small,water when the pot is totally dry.Next watering add a few drops of hydrogen peroxide ,per liter of water.Garden lime,and xtra perlite always helps,if theres none in the mix.:http://www.weedbay.net/overgrow-theb...ble/Merged.htm

ive actually got some perilite and garden lime mixed in the soil when i switched pots just a couple days ago. I did end up flushing it out hardcore earlier and i can already see a difference. I think it might have had a minor case of nute burn, and for the water on the leaves, i just did that cause the leaves were crisp to the touch (which was prob from the potential nute burn) I use jacks 20-20-20 but am gonna lay off it for a few days to see if the flush helped at all. Id much rather under nute than over nute. I also rigged a lil co2 dispenser using yeast water and sugar in a 2liter bottle. Ill keep u guys posted w pics. If i dont see any progress I will try and add some nutrients. now we play the waiting game...

Ok, so i flushed out the soil yesterday. the leaves are still brown at the tops, will these leaves turn back if it is nute burn? how long should i wait to give it nutes if it is a deficiency? I dont want to over-water the plant, so any action i do take will be once the soil completely dries out anyway. any recommendations appreciated

id say your doing great.

no the leaf will not grow back from burn, I believe at burn point, all we can hope for is new growth because the damage is done.

try to stay away anything fancy, and stick to what you know.

I see only 2 real problems, a slight burn on the tip, and from your pic, droopy leaf.

I think personally you streched it a lil too far before watering, wich gave you droop, wich in turn maybe cfl burn- or possible slight nute burn, from the high 20-20-20.

I'm a mister, I like misting in veg. I see what that guy said above and I dont know if that sits right with me about the drips. I say foliage feed is good, and I believe when you hit it with water on the green, it promotes root growth. Thats what I heard anyway, but you do not want to mist in flower time because thats a no no mama said.
I'd say just roll with water for a wee bit, low low low nutes, but if you really got a stick up your butt bout the fertz I guess go ahead, but I wouldnt even dare give it a shot of anything till it snaps out of what its in. its still young and by your pic looks very green and healthy.

in other tips, I havent seen your fan or how close the lights are, but I would say, click the fan on low, and raise CFL 1 or 2 notches for operation emergency "less light" try that for 1 day then lower the cfl back down to your regular range. I say this only to try to help the youngling out by less light, and not by trampling it with close proximity.

stay cool boss. watch the bullshit. keep growin.

update, this is how she (hopefully) looks a day after i flushed her out real good. yeah the leaves are a little droopy still, but i see some improvement. i will wait atleast another 5-6 days until i begin adding nutes, because even though i didnt give her much that may have been the cause, i backed the lights of a tad bit but not too much. what do u think?

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I think that thing looks monster!

how much longer u think i should veg for? its only been a little over 4 weeks now, im not in a huge rush, but when do you think is best for sick nugs like you produced in your grow journal? (im a fan)

Hey, thanks man.

I want the best for you too, I'm purely a noob as well so take my info as a grain of salt.

I started flower at about 30 days, I waited till I could sex it, and also I had about 7 to 8 nodes before I switched to 12/12. I just wanted it to be "big" when I switched rather than small. I know there are some dudes flowering from seed, but I wanted hopefully larger buds.

It looks like you have 4 or 5 nodes goin on with your mama I cant tell maybe 4, maybe you are using less light than I did, and it just simply is taking your babe longer to veg out.

Id wait a lil longer to switch to 12/12.

Looks like it healed okay man!