LED nutrient deficiency

Kevin the Great

Kevin the Great

Well-Known Member
It seems that all of my plants that are under led, in flower, are showing signs of magnesium deficiency.
It is possible, although unlikely, that in ths batch of soil I forgot to put in any Epsom salt. This seems to be a consistent area of concern when using LEDs for me.
Not really a big deal as its easy to fix, just wondering, does anybody else have similar problems?
 
ryan1918

ryan1918

Well-Known Member
how many weeks in flower, and do you got any pics? they usually start showing signs of def at week 5 of flower
 
Kevin the Great

Kevin the Great

Well-Known Member
Around week 2 or 3 it seems to show up, I don't have any pics right now, it just hit me on the way to work this morning that consistently everything seemed to need a cal/mag supplement. Actually, I mix epsom salts with an iron supplement and water it in which takes care of any problems in about 2 or 3 days. So maybe I'm correcting an iron or calcium deficiency as well but that's highly unlikely with the composition of my soil.
 
hotshotisdashit

hotshotisdashit

Well-Known Member
Whenever I grow with led lights I always get calmag deficiencies. Something about led light that make most ladies calmag whores. Theyll do anything for it. But this is normal for me when using led lights. I usually just add calmag about one a week to counter these effects.
 
J

jeroly

Well-Known Member
hotshotisdashit said:
Whenever I grow with led lights I always get calmag deficiencies. Something about led light that make most ladies calmag whores. Theyll do anything for it. But this is normal for me when using led lights. I usually just add calmag about one a week to counter these effects.
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Do you use tap or RO water?
 
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