Is this magnesium problem?

Is this a magnesium problem?

No, thats nute burn. Give them just plain ph'ed water for the next couple of waterings. Then ease back into your nutes at a lower rate.

Hey there welcome to RIU, her is a link that was passed on to me once. It should help you figure this out https://www.rollitup.org/marijuana-plant-problems/216537-self-diagnose-your-plants.html

It also might be your PH and not a deficiency. Good luck

Looks like mag to me not burn

Thanks for reply, Im using bio grow 1ml/liter, and my plant have a 5weeks.
Is This problem can be caused by "bad" water because i use washbasin water????

Very good link thanks.....

smppro said:

Looks like mag to me not burn

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i agree... check your ph if its low then most likely its a mag def. good luck man

Xtras said:

Very good link thanks.....

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Your Welcome!