high grade

i have two plants,on one of them the stem seems slightly turning purple, and my other plant the stem looks like its turning white lol is there any reason for this? .

Rhino1973

The purple is usually a sign of nitrogen problems. Not sure about the white. When the stalk turns purple you can usually fix it quickly by doing a flush and then readjusting your nutrient levels when you change the res.

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SirTokeAlot420

What is the temps for your grow? That can usually make plants turn purple as well.

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Eephus

Hey high grade,

Purpling can be caused by cooler temps, or maybe a Magnesium deficiency....could just be strain related too...Dunno about the white one Any pics?

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florida863

check for spider mites. I had the same problem. Leaves started turning white like they were bleached out. spider mites are so small you barely see them. use a mag glass. look under the leaf for tiny black spots the size of a grain of sand.

Xgone.

Purpling can also be caused by hot temperatures and P deficiency. P deficiency can cause stem purpling in a millisecond depending on the cultivar.

azhomegrown

From what ive read most of the purpling on the branching is from temps. Mine did that when i vegged them under an hps. But they did great othere than that. Cool off your room if there fine it should stop. Then go to nutrient difficiency. That way you dont make a more costly mistake.

peace

spunky-bolton

yeah try adjusting the temps before you go messing with the nutes.. and I thought that purpling was a P deficiency. an N deficiency is when your leaves start turning yellow.

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azhomegrown

well N for sure. Such as when you flush your plants. Same thing

peace