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Deficiencia calcio magnesio?

Weed1996started grow question 6y ago

Hey, I always get these spots that grow relatively quickly, they start in the third to fourth week of flowering. Is it a calcium/magnesium deficiency? I've started using CalMag from Atami, will it have a quick effect? The substrate is a bit acidic, I'm watering with high pH to try to raise it.

Weed1996

Weed1996

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Weed1996answered grow question 6y ago

Hey, the drainage pH is coming out between 5.8 and 6, so I'm watering with high pH (around 7-7.5). The EC is low, so it really surprises me that it could be an excess or a blockage. I'm going to increase the dose of Terra Flores. The curious thing is that this always happens to me with different substrates, and my base water EC isn't low (0.45ms) 🤔

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MadeInGermanyanswered grow question 6y ago

Hey buddy how high is your ph? I find your ec a little low at this stage on earth, and I add cal / mag to every giesen

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