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Sick Plant Coco conundrum

4 Posts
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skank
Percy Grower
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Topic starter
(@skank)
Terpinolene
Joined: 2 years ago

Hi all, first post here! Been a home grower for three years, mainly Coco. My latest grow is a Strawberry Cheesecake Auto.

Got into second week of flower and looked like too hot on the nutes (dark green leaves, slightly glossy, with slightly burnt tips) so I cut back from 1.5EC to 1.3EC (water 0.4EC). Now in the fourth week of flower and I'm getting new growth looking pale and with brown patches appearing. Lowest 2 leaves have turned yellow but this has been ongoing for last 5 weeks.

I'm wondering if there is nute lock due to too much nutes still, or if I now need to raise the nutes. Could it need cal/mag?

I'm a little stumped, this is the first time I've had an issue like this in Coco (I had plenty of other problems though).

Grow Medium
Coco Coir
Grow Light
LED 120w
Temperature C/F : (Light on/off)
26c/20c
Humidity
70
Picture of Problem
1615990711-SBC1.jpg
Nutrients

Canna Coco A+B, Canna Boost, Cannazym

pH Level
5.8-6.0
EC / PPM / TDS of Feed

1.2

Feed Frequency
Daily
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3 Replies
Macky
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OG
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Alpha-Pinene
Joined: 4 years ago

Yer i think some calcium will do well here mate, but just a little, go for like 0.5ml per litre for a couple of feed and that should be fine i think Smile

You not using any pl 13/14 though? The plants would do well with some of that at this stage Smile

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skank
Percy Grower
Points: 659
Posts: 7
Topic starter
(@skank)
Terpinolene
Joined: 2 years ago

Thanks Macky, I'll give it a little calmag and see how it fares. Normally start the PK 13/14 on week 6 of flower, think it would like some now? Just concerned about overdoing the feed. As an aside, wtf is with Canna Coco feed schedule calculator? I choose light feed and it's still way too much, I never give more than half what is suggested!

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monkeydo
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OG
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Valencene
Joined: 3 years ago
Posted by: @skank

I never give more than half what is suggested!

Me neither brother, you are going to be a natural at this lol.

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