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Coco grow leaves already going yellow

  • Thread starter Thread starter Salkio
  • Start date Start date Oct 13, 2024
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Coco grow leaves already going yellow

Salkio Oct 13, 2024 27 Replies 3,476 Views
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J

Jamdown

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Oct 20, 2024
#21
I'd like to help but my information would be hopeless.
 
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Choppr

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Oct 20, 2024
#22
Salkio said:
1. Yeah it takes ages for it to dry, even with a fan inside.
2. temps are sitting around 20 to 25 on occasion.
3. Ok no more cal-mag from now on. I noticed a Mag deficiency and just added CalMag without thinking.
4. I am going to order a EC meter.
5. Ok will get this for my second grow.
6. How would I flush then?
7. Once a day watering sounds so much for me. It will be a hydroponic setup at that point! hahah. We are going into summer so maybe the heat can get fixed by this. I was always worried about temps higher than 26c.

No need to say sorry! This helps a lot. Will definitely implement this in my second coco grow.
Click to expand...
If its taking forever to dry they are not feeding, lock out! Ditch the Ferts! Switch to Megacrop 2 Part, dollar to dollar its cheap and keeps up with the High dollar ferts, Ive been running it since 2018 I dont have issues in the garden, ever! Flushes are easy in coco, flush 2 gal thru plain pH water & calmag, then mix a final gal of "corrective nutrient solution" pour it thru. Youve just reset the Rhizome! @HerbalEdu has explained the cal/mag issue with that brand, is why I suggest the switch to MC, no compatibility issues! *Hanna Instruments HI98129/30 it has a replaceable ORP probe, Ive used mine for 10 years, Ive replaced the probe twice. Its accurate, holds Calibration for months, its a must have in Hydro. its not cheap but if your in the game for real buy the equipment you need.
Good Luck (if you are thinking/or switching MC you can DM me if any questions)
 
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HerbalEdu

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Oct 21, 2024
#23
Salkio said:
We dont have Gaia in my country. GH is available most places for a good price.
So far I am happy, but have no idea on how to use it.
Click to expand...
same no gaia green where i live, that's why i was looking into greenhouse feeding organic line at first.

just follow the instructions from greenhouse feeding web site and you'll be fine
Salkio said:
3. Ok no more cal-mag from now on. I noticed a Mag deficiency and just added CalMag without thinking.
Click to expand...

yeah as long as you use greenhouse feeding powder mineral line of nutrients don't add liquid cal mag from another brand

Salkio said:
4. I am going to order a EC meter.
Click to expand...
definetly a must when growing in hydro

Salkio said:
7. Once a day watering sounds so much for me. It will be a hydroponic setup at that point! hahah. We are going into summer so maybe the heat can get fixed by this. I was always worried about temps higher than 26c.

No need to say sorry! This helps a lot. Will definitely implement this in my second coco grow.
Click to expand...
the thing with coco if you can treat it almost like soil or more like hydro regarding watering both are doable.

tho' if you treat it more like soil, you'r more at risk of ph and nutrient lockout.

here some tutorials about growing in coco you should have a look:

How to Grow Cannabis with Coco Coir | Grow Weed Easy

Ever wondered how to use coco coir blocks to make a cannabis-friendly rich potting mix? This tutorial breaks it down...
www.growweedeasy.com

Coco Coir: The Most Flexible Cannabis Grow Medium | Grow Weed Easy

by Nebula Haze Coco coir (often referred to simply as “coco”) is the most flexible grow medium. Made out of coconut shells that would otherwise be thrown away, this unique substance has surprising benefits for cannabis plants. Coco coir is made of coconut husks that have been ground up. It is...
www.growweedeasy.com
 
Last edited: Oct 21, 2024
Quote Reply

Illbill

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Oct 9, 2024
Points
43
Oct 21, 2024
#24
Salkio said:
1. Yeah it takes ages for it to dry, even with a fan inside.
2. temps are sitting around 20 to 25 on occasion.
3. Ok no more cal-mag from now on. I noticed a Mag deficiency and just added CalMag without thinking.
4. I am going to order a EC meter.
5. Ok will get this for my second grow.
6. How would I flush then?
7. Once a day watering sounds so much for me. It will be a hydroponic setup at that point! hahah. We are going into summer so maybe the heat can get fixed by this. I was always worried about temps higher than 26c.

No need to say sorry! This helps a lot. Will definitely implement this in my second coco grow.
Click to expand...
When it comes to the nutes I can’t really say much because I haven’t used them. When I’m using coco it is pretty much drain to waste hydro. If you add organic stuff like castings then you can treat it like soil but I haven’t had much luck with that. I just lower my nutes down the last week. .4-.5 ec. The watering is a lot. I use a 5 gallon bucket as a resevoir and got a 20 submersible pump to auto feed them. I keep the soil wet with that and hand water till runoff once a day. I check my runoff every day. Refill my 5 gallon every 2 days. Sounds like a lot but it’s 10 minutes once a day. I use to flush for 2 weeks but it has been way better since I stopped starving them.
I’m doing a side by side right now. One coco drain to waste and one super soil. There’s no comparison. The coco is more than doubling the soil. My pots go dry in hours.
 
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Salkio

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Oct 13, 2024
Points
3
Oct 21, 2024
#25
I
Illbill said:
When it comes to the nutes I can’t really say much because I haven’t used them. When I’m using coco it is pretty much drain to waste hydro. If you add organic stuff like castings then you can treat it like soil but I haven’t had much luck with that. I just lower my nutes down the last week. .4-.5 ec. The watering is a lot. I use a 5 gallon bucket as a resevoir and got a 20 submersible pump to auto feed them. I keep the soil wet with that and hand water till runoff once a day. I check my runoff every day. Refill my 5 gallon every 2 days. Sounds like a lot but it’s 10 minutes once a day. I use to flush for 2 weeks but it has been way better since I stopped starving them.
I’m doing a side by side right now. One coco drain to waste and one super soil. There’s no comparison. The coco is more than doubling the soil. My pots go dry in hours.
Click to expand...
for sure have a nute lock out.
 
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Salkio

Posts
10
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2
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Oct 13, 2024
Points
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Oct 21, 2024
#26
Choppr said:
If its taking forever to dry they are not feeding, lock out! Ditch the Ferts! Switch to Megacrop 2 Part, dollar to dollar its cheap and keeps up with the High dollar ferts, Ive been running it since 2018 I dont have issues in the garden, ever! Flushes are easy in coco, flush 2 gal thru plain pH water & calmag, then mix a final gal of "corrective nutrient solution" pour it thru. Youve just reset the Rhizome! @HerbalEdu has explained the cal/mag issue with that brand, is why I suggest the switch to MC, no compatibility issues! *Hanna Instruments HI98129/30 it has a replaceable ORP probe, Ive used mine for 10 years, Ive replaced the probe twice. Its accurate, holds Calibration for months, its a must have in Hydro. its not cheap but if your in the game for real buy the equipment you need.
Good Luck (if you are thinking/or switching MC you can DM me if any questions)
Click to expand...
Thank you! I dont have that brand either haha.... We do have Hanna Instruments HI98129/30 here. Honestly, I'm growing for the fun of it. Im not even smoking that much nowadays and I don't sell either... I used to have the BlueLabs truncheon or something forgot the name, this long pen..
 
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Salkio

Posts
10
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2
Joined
Oct 13, 2024
Points
3
Oct 21, 2024
#27
HerbalEdu said:
same no gaia green where i live, that's why i was looking into greenhouse feeding organic line at first.

just follow the instructions from greenhouse feeding web site and you'll be fine


yeah as long as you use greenhouse feeding powder mineral line of nutrients don't add liquid cal mag from another brand


definetly a must when growing in hydro


the thing with coco if you can treat it almost like soil or more like hydro regarding watering both are doable.

tho' if you treat it more like soil, you'r more at risk of ph and nutrient lockout.

here some tutorials about growing in coco you should have a look:

How to Grow Cannabis with Coco Coir | Grow Weed Easy

Ever wondered how to use coco coir blocks to make a cannabis-friendly rich potting mix? This tutorial breaks it down...
www.growweedeasy.com

Coco Coir: The Most Flexible Cannabis Grow Medium | Grow Weed Easy

by Nebula Haze Coco coir (often referred to simply as “coco”) is the most flexible grow medium. Made out of coconut shells that would otherwise be thrown away, this unique substance has surprising benefits for cannabis plants. Coco coir is made of coconut husks that have been ground up. It is...
www.growweedeasy.com
Click to expand...
Thank you. Ima be reading the links you provided :D Thank you
 
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N

nate89

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Mar 26, 2022
Points
3
Oct 26, 2024
#28
Skimmed this thread a bit.. But the source of your issues seem to be watering practices.
Do not treat Coco coir the same way you would soil. Apply nothing you know about soil to Coco.

Coco should never dry out... Never allow any dry backs. If the Coco dries... Lockouts happen.

Each watering needs to be with nutrients and have calmag supplemented. Cal mag can either already be present in whatever nute base or from a standalone brand/source.

Each watering also needs 10-30% runoff.

Runnoff also needs to be dealt with because if it's reabsorbed... Lockout issues as well.
 
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Replies 27
Views 3,476
Started Oct 13, 2024
Latest post Oct 26, 2024
Starter Salkio
Forum Coco Coir

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