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| Forums > Marijuana Growing > Nutrients and Fertilizers > Leaves getting more yellow gold brown spots | ||
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02-02-2017, 01:58 PM
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#1 |
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Newbie
Join Date: Jan 2017
Posts: 34
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Leaves getting more yellow gold brown spots
I have a few plants vegging in coco. I have watered them 2 times with g&h nutes adjusted for coco 6/9. I watered them one time with cal mag but was told tap water should be fine without the added cal mag. A few plants have yellow brown spots one plant its spreading.
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02-02-2017, 02:10 PM
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#2 |
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Member
Join Date: Feb 2015
Posts: 130
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Looks a little like a calcium deficiency. Tap water will depend on where you are. Did you use cal mag before or after you saw those leaves as the newer leaves look better? Coco does need some cal mag due to the way it locks it in
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1 members found this post helpful. |
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02-02-2017, 03:56 PM
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#3 |
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Member
Join Date: Mar 2015
Location: up north
Posts: 121
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Looks like your ph is too high and locking out mag
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"640 k ought to be enough for anyone" - Bill Gates |
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02-02-2017, 08:45 PM
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#4 |
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Newbie
Join Date: Jan 2017
Posts: 34
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I've been using 5.8-6.0 ph
I used 1ml cal mag in a gallon of water before I saw those spots, then they appeared right after. |
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02-02-2017, 08:59 PM
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#5 |
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Newbie
Join Date: Jan 2017
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My other plants have slight discoloration on the leaves also. I diluted the nutes 1/6th when I added cal mag.
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02-03-2017, 01:49 AM
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#6 |
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Newbie
Join Date: Jan 2017
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Came home from work and the plant in the first pic, the leaves were looking a lot more dead cracking and growing holes. I watered it and added some cal mag hopefully that's the issue.
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02-03-2017, 02:18 AM
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#7 |
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Seed Whore
Join Date: Dec 2016
Location: In the Fridge
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Unlike nitrogen, calcium doesn't move fast into the plant.
So some damage may never recover. The main thing is that new leaves are nice and get better.
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02-04-2017, 08:04 PM
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#8 | |
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Join Date: Jun 2011
Posts: 144
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Quote:
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02-05-2017, 07:05 AM
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#9 |
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Newbie
Join Date: Jan 2017
Posts: 34
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Could it be root rot? I made some Hempy pots and drilled a hole 1 inch from the bottom. When I watered the plants the water ran out the sides of the bottom of the pot and the hole I drilled. The bottoms of my pots had plastic caps that locked into the drain holes in the bottom of the pot. I removed them and found pools of water? I kept the caps off which cover the drain holes in the bottom of the pot. Thinking the roots were always siting in water. I had a new plant start wilting and it looked similar to root rot pictures. Thanks for the help
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02-07-2017, 11:32 AM
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#10 |
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Senior Member
Join Date: Mar 2011
Location: the coast with the most
Posts: 1,043
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is that pure coco coir? how often are you feeding it?
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