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Magnesium deficiency?

Anonymous_2022
Anonymous_2022started grow question 2 years ago
Hi Growmies.. I seem to be getting alot of yellowing leafs and brown spots.. Am i right to say Magnesium deficiency? Calmag do the job? Thanks for your help 🌱
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Leaves. Color - Yellow
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TheNorthernCultivator
TheNorthernCultivatoranswered grow question 2 years ago
Hello! From my experience when ever I have gotten symptoms like this, I have found that cal mag is the answer! I use cal mag every 3rd or 4th watering and I grow in coco. Experiment with amount used and how often you use until you find the sweet spot. Good luck!
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Dairon
Daironanswered grow question 2 years ago
Como bien dices con Calmag lo puedes solucionar, te recomiendo el de Grotek pues es el que más hierro contiene, lo cual hace que absorba mejor el calcio y el magnesio, saludos
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GrowingGrannie
GrowingGrannieanswered grow question 2 years ago
I'm not entirely certain, to be honest.... Your diary doesn't say what pH you're maintaining in this grow - and that's important. If the pH is between 6.0 and 6.3, then yes, some cal mag would maybe help IF it's a magnesium deficiency.. but again, to ME it doesn't look like that... magnesium deficiency starts at the tips and spreads solidly back up the leaf leaving behind dead and crispy leaves...and it also starts with the oldest leaves. It COULD be a calcium deficiency... but you'd need to figure out why you have it before simply throwing calmag at it... if the pH is below 6.0, that's your problem and you need to adjust it... if you've given too much nitrogen, that COULD be your problem... and if it is, you'd need to perhaps do a flush to get things back in line and then cut the nitrogen you're giving the plant to prevent another lockout... I won't tell you what else it might be... let's see if you can figure out the WHY and then adjust... If you've figured it out, you shouldn't see an increase in the damage to the leaves - but THAT damage will not be repaired... Good luck!
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JUNGLE_B4RNS
JUNGLE_B4RNSanswered grow question 2 years ago
Yes you’re right, calmag will do the job
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420SeedPopper
420SeedPopperanswered grow question 2 years ago
Calcium deficiency Cal-mag will help. You're welcome!
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