What's wrong with my plants?

Empyrium

New Member
hello everyone
i have 8 plant under 600watt led. in 2 galoon plastic pot with 50.50 peat moss and perlite.

first sign of issue showed up in seedling there's some yellow or brown dots in leaf and now there's progressing in veg.
i took some picture please let me know what's wrong with my plants.

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Bring up your cal mag buddy
Under led you need more cal mag .

Next time no pink pics so we can see your leafs better please .
 
Looks like Ca/Mg deficiency to me.

Bigger issue: Peat moss and perlite? That's all? Peat moss has low nutritive value and is very acidic--not a good choice at all for cannabis in my opinion. (That said, your plants look good except for the spots!)

(KJ: No disrespect intended, but I think that business about plants grown under LEDs needing more Ca/Mg is an urban legend--an interesting and surprising fun fact that people like to repeat but that has no basis in reality.)
 
Looks like Ca/Mg deficiency to me.

Bigger issue: Peat moss and perlite? That's all? Peat moss has low nutritive value and is very acidic--not a good choice at all for cannabis in my opinion. (That said, your plants look good except for the spots!)

(KJ: No disrespect intended, but I think that business about plants grown under LEDs needing more Ca/Mg is an urban legend--an interesting and surprising fun fact that people like to repeat but that has no basis in reality.)

my soil ph is 5.5 to 6.5 it's not so acidic. what would u recommend for soil?
 
Looks like Ca/Mg deficiency to me.

Bigger issue: Peat moss and perlite? That's all? Peat moss has low nutritive value and is very acidic--not a good choice at all for cannabis in my opinion. (That said, your plants look good except for the spots!)

(KJ: No disrespect intended, but I think that business about plants grown under LEDs needing more Ca/Mg is an urban legend--an interesting and surprising fun fact that people like to repeat but that has no basis in reality.)

I have to disagree I've grown under hps and led and I always have issues if I do t keep cal mad in that medium at different stages it requires more .

It okay to disagree just remember is how we fight .
 
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