Help!!! Can someone explain what this is.

Shows_world

New Member

• Nov 15, 2017

• #1

If you look at the leaves you can see brown lines. I’m using coco coir with perlite. general organics go box nutrients. Ph going in 5.5. Ph coming out 6.3. Using 1000w led grow light. Temps 81 degrees and humidity 50%. Grow tent 2x4x5.5.

 

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Tyleb173rd

Well-Known Member

• Nov 15, 2017

• #2

It looks fine.

 

macsnax

Well-Known Member

• Nov 15, 2017

• #3

Looks like the being of phosphorus def. And your new growth where you topped it looks funny in a different way. Not too sure. Have you had any ph issues?

 

Shows_world

New Member

• Nov 15, 2017

• #4

I’ve never grown in coco before. Does that look normal? I’ve never seen anything like that before.

 

macsnax

Well-Known Member

• Nov 15, 2017

• #5

I don't think you need to panic. Now is time to think this out and end run any major issues. I'm still sticking with phosphorus, the purple stems combined with the brown marks less me to think so. Did you top or fim?

 

Shows_world

New Member

• Nov 15, 2017

• #6

I topped. Here’s a better pic.

 

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macsnax

Well-Known Member

• Nov 15, 2017

• #7

And your ph has been in check, no swings?

 

Shows_world

New Member

• Nov 15, 2017

• #8

It swung high for a bit. 7.2 ph was the highest and once I found out I flushed it immediately and got it back in range (6.3). The ph runoff always fluctuates a bit so I been changing what was going in from 5.8 to 5.5 ph.

 

Shows_world

New Member

• Nov 15, 2017

• #9

This is what I feed it every day. 5ml of everything.

 

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macsnax

Well-Known Member

• Nov 15, 2017

• #10

Here I'm bored tonight so I did a little reading. I know your not in soil so you probably need more phosphorus than this dude did. I will post the link to this thread at the bottom.

his is common with GO and Roots Organics Soil. If you plants are a month old, you should be feeding heavily. To prevent the phosphorus def that results from using the GO according to the instructions in veg, Half and half your Biothrive Grow and Biothrive Bloom. 10ML Grow + 10ML Bloom per gallon. Also, you should be using the CalMG+ at 20ML per gallon. That will fix your problem. Now, to make sure you dont run into that problem in the future, add some Rock Phosphate to your soil prior to planting in it.

https://www.rollitup.org/t/general-organics-nutrients-help.605090/

 

Shows_world

New Member

• Nov 16, 2017

• #11

It’s getting worse. I upped the nutes today 5.5ph. Run off back to 7.0 ph .

 

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macsnax

Well-Known Member

• Nov 16, 2017

• #12

Did you add the bloom nutes? It will take a few days to see a difference.

 

Shows_world

New Member

• Nov 16, 2017

• #13

Yea I added it. I’m hoping for the best.

 

macsnax

Well-Known Member

• Nov 16, 2017

• #14

I think you will be ok. Take a pic Saturday and compare. The damage you see now isn't going to go away, you'll be comparing to see if it is worse.

 

Lite

Well-Known Member

• Nov 16, 2017

• #15

looks like ur missing a metal. Give it a hit of micro nutrients.

 

norcal mmj

Well-Known Member

• Nov 17, 2017

• #16

Magnisum add some.

 

coreywebster

Well-Known Member

• Nov 17, 2017

• #17

Keep your ph 5.8-6.1 going in. Magnesium uptake is better 6ish. At 5.5 the level of magnesium uptake is very low.
Don't chase your tail measuring run off in coco.