My seedling have purple stems. Is this good or bad. The bottom leaves are turning yellow( the little round baby leaves) is this a different problem or are they connected?

The purple part is normal, usually caused by lower night temps.

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It's not about the size of the dog in the fight, it's about the size of the fight in the dog. -Twain (if you didnt get the potency metaphor, you fail) http://www.rollitup.org/grow-journal...tiva-pics.html

i think the temps stay about 4-5 degrees difference.

You'll be fine. The cotlydons naturally die off. That's the little round leaves. How old are they? That purple will clear up when the plants get alittle older and you start your nutes.

Almost 2.5 wks. I have to tuff it out till then huh.

that sounds like a little heat stress, but yah on my ~month old plant those bottom leaves are gone. get a temp reading

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77.7 degrees

sounds perfect. is that measured at the TOP of the plant?

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yes. good temps.

absoulotelly nothing to worry about.
(sounds good and healthy).

LUDA.