Is it cal mag deficiency?

miking · Apr 5, 2020

Hello i have 4 autoflower strain i saw some signs on leaves but i didnt understand why?

You can see pics in attachment

TintEastwood · Apr 5, 2020

Yes. Looks like cal / mag def.
Very common when coco is involved.

miking · Apr 5, 2020

TintEastwood said:
Yes. Looks like cal / mag def.
Very common when coco is involved.

But it is not coco its soil. My soil is biobizz lightmix. My tap water is hard. But i saw signs like this

TintEastwood · Apr 5, 2020

miking said:
But it is not coco its soil. My soil is biobizz lightmix. My tap water is hard. But i saw signs like this

The soil may be low on cal / mag.

Are you adding nutrients yet?

miking · Apr 5, 2020

Yes they are 6 weeks old. I am using biobizz bio grow bio bloom and topmax since 3 weeks old. I am growing organic.

TintEastwood · Apr 5, 2020

miking said:
Yes they are 6 weeks old. I am using biobizz bio grow bio bloom and topmax since 3 weeks old. I am growing organic.

Nice. Hopefully someone with biobizz experience can help.
:peace:

@CapollaLabs :peace:

I'm weak with soil, and no experience with biobizz. :dunce:

TreeFarmerCharlie · Apr 5, 2020

If you are growing in soil, and you have hard tap water, then I would be surprised if this is a calcium or magnesium deficiency. Are you sure they aren’t burns from water droplets? Or is it more widespread than it looks in the photos?

Is it cal mag deficiency?

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