Curling yellowing leaves on seedlings - Cannabis Cultivation

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phrostbyte
Hydro Grower

Registered: 09/15/11
Posts: 475
Last seen: 7 years, 10 months

Curling yellowing leaves on seedlings

#589428 - 09/29/11 02:57 PM (13 years, 1 month ago)

Leaves are curling and yellowing on my seedlings.
I think it may be heat stress based off of what I read but wanted to be sure. What can I do?

Hydro Growers:
1. seed
2. 6 and 9 days old
3. 1 - 2 inches
4. bubbleponics
5. quick grow 10-5-10 sold on ebay
6. 5.5 - 6 (using drops)
7. ?
8. ?
9. ?
10. ?
11. slight raise
12. rain water once or twice
13. 90W LED UfO 2w leds
14. 4 inches
15. 21 square feet of space
16. 76 - 80
17. no insects
18. first grow

I moved the lights up because I thought maybe it was too close causing the plant to get too hot. Not sure how close they should be. The two leaves on the bigger plant that are curled and yelling kinda smell.

Edited by phrostbyte (09/29/11 03:06 PM)

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brainsOplenty
ganja farmer

Registered: 05/14/11
Posts: 769
Loc: zion

Re: Curling yellowing leaves on seedlings

[Re: phrostbyte]
#589438 - 09/29/11 04:01 PM (13 years, 1 month ago)

At just a week old you shouldn't be using any fertilizer. Just straight ph adjusted water. Don't know for sure but you could be burning them.

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it's written right here.
it's absolutely clear.
the ganja herb is the healing of the nation.

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phrostbyte
Hydro Grower

Registered: 09/15/11
Posts: 475
Last seen: 7 years, 10 months

Re: Curling yellowing leaves on seedlings

[Re: brainsOplenty]
#589446 - 09/29/11 04:39 PM (13 years, 1 month ago)

Quote:

brainsOplenty said:
At just a week old you shouldn't be using any fertilizer. Just straight ph adjusted water. Don't know for sure but you could be burning them.

Thanks for your thoughts... I did just change the water 2 days ago when I added the food. I went ahead and changed the water again to just PH water.

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Cannabis, Marijuana, Ganja & Greens > Cannabis Cultivation

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