Magnesium deficiency?
FireManPanstarted grow question 6y ago
I think I may have an early deficiency of magnesium? I'm totally guessing here. Not much experience. Seems to slowly be getting more pronounced.
First water since transplant to FFOF was only pure RO. Thinking maybe I should added cal-mag?
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MaxGrowCanadaanswered grow question 6y ago
Hey,
Looking at your grow,
The symptoms reflect a calcium deficiency. Magnesium would likely progress from the middle of the leaf outwards, calcium, from the tips inwards with spotting. If you havent added any source of calcium then you may need some. if you have added some, low ph is usually to blame as calcium has trouble being absorbed by the plant at lower ph.
Hope this helps
DrGanjanswered grow question 6y ago
Also if your leaves are yellow, it's most likely Nitrogen at this stage of growth, they don't look too bad to me tho mate.
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DrGanjanswered grow question 6y ago
I wouldn't go adding anything unless you are sure. If you think you have a deficiency research the symptoms. If you add something after a guess, chances are your guess may be wrong and you'll create the opposite of what you feared, an excess. Too much is just as bad as not enough.
https://www.loudclouds.co/plant-nutrient-deficiency-chart/
Something like this chart should be your first go to with any deficiency fears. Look to the leaves. Look to the chart.
Hope this helps buddy!
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