Calcium / magnesium deficiency?

JMystery

JMystery

Active Member
Got a brown spot on the two lowest leaves. Plant is 23 days old and browning appeared a week ago. She's growing in 70 coco / 30 perlite. According to this guide, it looks like calcium or magnesium deficiency. Anyone confirm this or offer alternative reason? I did give her a little cal-mag last night but expect these dead patches will now stay dead? Should I step up the cal-mag? She's in 1 gallon airpot for now.

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Must stress, it's only the lowest two leaves - and one of those leaves was born twisted (a bit like me actually).
 
Yes, but the daily watering only started a few days ago when I discovered I needed to be more frequent in coco.
 
So you're saying the under-watering caused this on the lower two leaves, but I shouldn't see it continue now I'm watering daily?
 
JMystery said:
So you're saying the under-watering caused this on the lower two leaves, but I shouldn't see it continue now I'm watering daily?
Click to expand...
Under watering causes salt to build up, you need to rinse it out daily with the run off, if you don't... well you've seen the outcome.
It's up to you to monitor the run off.
 
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