Yellowing tops

Ten days into flowering and it is confirmed both are female. My concern is the yellow tops on the smaller plant. Both were planted the same day in the same soil. I have not changed anything to either besides the duration of light.
This little biotch has been growing half retarded the whole time??
What could be the problem.

Ok i guess not ?!?!

It's either an iron def (fix with 2tbs/gal molasses every watering), pH problem (check soil's pH, may cause iron to be locked out) or low temps during the night.

Doctor Cannabis said:

It's either an iron def (fix with 2tbs/gal molasses every watering), pH problem (check soil's pH, may cause iron to be locked out) or low temps during the night.

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Thanks,
I already water them with molasses , but it can get a bit nippy in my house at night. Ill have to check the pH later.

Thanks again

Maybe nitrogen def if you are already using molasses you shouldn't be having a magnesium problem. But you'll probably have your answers after ph testing them

damn nice setuppp

MaiaPax said:

Maybe nitrogen def if you are already using molasses you shouldn't be having a magnesium problem. But you'll probably have your answers after ph testing them

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Nitrogen, as well as magnesium are both mobile elements, so a deficiency of either of these would not affect new growth, but bottom leaves and slowly works it's way up. Plus, a magnesium def looks different, causing the leaves to become light green and eventually yellow between the veins, in the less vascular parts of the plant.

Only microelements (iron, sulfur, copper, boron, molybdenum, zinc, manganese and nickel) can affect new growth first, and only iron def looks like that.

I just had to comment on this one lol I'm so baked right now. That. Shit is hilarious. You are actually pissed off at nameless and faceless Internet mods with a year to live? I don't know what else to say

What are you talking about?!?

erbalis said:

What are you talking about?!?

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Oh haha I guess the mods already deleted it but this guy had a full page rant about how the mods are evil and that they deleted his profile with only a year to live from cancer which sounded like bullshit but it was just hilarious