Is this a MAG deficiency?

Dirf · Apr 9, 2013

Photo on the left is a TGA subcool querkle plant that I noticed the leaf was changing to a yellowish color. This has happened on a few other plants. The one on the right in a healthy DNA genetics Lemon Skunk, it is just for reference Any ideas? Please help! Thank you very much.

GOD HERE · Apr 9, 2013

Possibly, but very slight. What's your PH? Some CalMag should clear it up assuming your ph is balanced.

Dirf · Apr 10, 2013

I actually have nothing to test my soil I only test the water I feed. I will buy a soil tester in the morning and report back. What do you recomend for cal mag? I bought some lime i was going to sprinkle on the soil and water in my next feed.

GOD HERE · Apr 10, 2013

Well I use a real CalMag product, I don't remember what it's called though. It's got the appropriate levels of Cal and Mag plus a good amount of nitrogen. This may problem may be because of the PH of the water, especially if your mixing it with nutes. Nutes change the ph. Get yourself a ph pen stat.

herbbilly · Apr 10, 2013

I'd water til run off then feed next. If its not uptaking it ain't eating.

lahadaextranjera · Apr 10, 2013

What age are the plants? What's your ph and medium? Are you still on veg nutes in flower or very low ph. Check oh run off on next feed. What have you fed them? What water? I actually think the first leaf looks a bit blue.

MYOB · Apr 10, 2013

Why is everything an Mg deficiency?

Do you know what the symptoms of an Mg deficiency are? Inter-veinal chlorosis of middle fan leaves starting from the middle of the leaf and working out toward the margins & eventually spreading to new growth. Upward folded leaves, twisting of new leaves....

I dont see any of that.

I see color variation in a leaf. Healthy eaves range from deep blue/green to lime green with reds, purples, and yellow hues mixed in. The leaves from a sativa are much different in appearance than an indica. Different phenotypes of a strain may demonstrate vastly different growth patterns and appearance.

I would wait until it shows more symptoms of a problem before I made any "corrective" action. You will probably end up doing more harm than good.

Dirf · Apr 10, 2013

MYOB said:
Why is everything an Mg deficiency?

Do you know what the symptoms of an Mg deficiency are? Inter-veinal chlorosis of middle fan leaves starting from the middle of the leaf and working out toward the margins & eventually spreading to new growth. Upward folded leaves, twisting of new leaves....

I dont see any of that.

I see color variation in a leaf. Healthy eaves range from deep blue/green to lime green with reds, purples, and yellow hues mixed in. The leaves from a sativa are much different in appearance than an indica. Different phenotypes of a strain may demonstrate vastly different growth patterns and appearance.

I would wait until it shows more symptoms of a problem before I made any "corrective" action. You will probably end up doing more harm than good.

Sorry dude, first indoor grow and I am just paranoid of fucking it up. I will take your advise and just wait it out.

Is this a MAG deficiency?

Dirf

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GOD HERE

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Dirf

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GOD HERE

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herbbilly

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lahadaextranjera

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MYOB

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Dirf

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