Congrats on the sprouts, I sure hope you aren't feeding them any nutes as that would definitely cause the yellowing/browning also heat causes browning of the leaves.

This may help you in your journeys,

http://www.greenmanspage.com/guides/plant_abuse.html

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Humboldt's Growing Adventures! Up & Away!



CLICK HERE! For a Cheap and Easy Hash Technique!

CLICK HERE! For a Black Oil - Finger Hash Technique!

Check out the following link for some Awesome Marijuana pictures and audio clips, part of a site I started awhile back that fell through, but the pictures are still awesome, some you've probably seen but I bet a lot you haven't.

http://bratcat.net/bratcat/marijuana.html

Enjoy!