RE: Curious, does anyone know what the cause of this could be? (Cannabis)

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Curious, does anyone know what the cause of this could be? (Cannabis)

in weed •  7 years ago 
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Looks Heavily Potassium Deficient?

Potassium Deficient + LED Light bleaching possibly? cheers for the reply.

I would think more of the leaf would be affected, if it were light bleaching. I have to say, in 15 years I haven't seen this personally, so I'm not exactly an expert. heh

a feed of trace elements might do, do you think?

I really don't know. I've worked with a balanced nutrient profile for over 15 years. The only real deficiency I've seen has been from the difference in magnesium needs between strains/phenotypes.

You may want to create an account on the forums at Icmag.com and post the picture up there. Lots of growers will be able to assist. :)

Thanks for the reply - this is the conclusion i have come to so far, i think i was giving the girl a water with 7.2 ph'd water, only testing it now, so i think it may have caused iron lock out due to high ph in the soil? So i flushed with 6.1 water yesterday and a light feed in two days, this may work i think.. but cheers for the replies and i'll head over there

:D

:D