First grow, is is mag deficiency?

rick19011

Active Member

Jul 4, 2013

• #1

Growing in coco coir, just notice some of the top leaves going a bit yellow here is a pic, also I don't have calmag but I have Epsom salts and blackstrap molasses

 

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mmmmbrownies

Active Member

Jul 4, 2013

• #2

here is a great resource for nutrient issues
https://www.rollitup.org/marijuana-plant-problems/488004-guide-nutrient-deficiency-toxicity.html
and yeah it looks like a deficiency (micro nutrients) what are you feeding with? they look heat stressed too

 

rick19011

Active Member

Jul 4, 2013

• #3

mmmmbrownies said:

here is a great resource for nutrient issues
https://www.rollitup.org/marijuana-plant-problems/488004-guide-nutrient-deficiency-toxicity.html
and yeah it looks like a deficiency (micro nutrients) what are you feeding with? they look heat stressed too

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Bio bizz grow 2ml, bio bizz bloom 3ml, recently started bio bizz alg a mic at 3ml

 

Po boy

Well-Known Member

Jul 4, 2013

• #4

mag deficiency. also notice how the tips of the leaves turn up. Epsom salt should work. About 1 TBS per gallon water and pour into soil. GL

 

mrbungle79

Well-Known Member

Jul 4, 2013

• #5

http://www.cannaversity.com/cannaversity/article.php?id=057 check this out. if it is a mag def as po boy has kindly stated yes try epsom salts.i have used 1/2 teaspoon to a full teaspoon per gallon of water