Purple fan leaf stems and leaves starting to yellow

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usafdorsey21

usafdorsey21

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For 2 grows now I have seen this happen and I am not sure why I have purple stems only in my fan leaves my ph is around 6.8 to 6.9 in Coco coir..... i use coco loco by fox farm i add in dry ammendments for veg when first mixing up then top dress for flower and i use well water. Dr earth dry ammendments are what i use. Any ideas ?
Purple fan leaf stems and leaves starting to yellow
Purple fan leaf stems and leaves starting to yellow 2
Purple fan leaf stems and leaves starting to yellow 3
Purple fan leaf stems and leaves starting to yellow 4
 
usafdorsey21

usafdorsey21

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also, it seens what ever is happening is now starting to discolor my leaves as well
 
BurnzYzBudZz

BurnzYzBudZz

HOWCan.i.helPYOU?
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Yikes, 6.8-6.9 pH in coco? I’m surprised your plants are still alive honestly. I grow in coco loco and my pH stays 5.8-6.0. Not sure about the dry amendments as I use dyna grow. Maybe someone aill chime in who uses dry amendments. I’d get that pH down for starts.
 
usafdorsey21

usafdorsey21

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Yikes, 6.8-6.9 pH in coco? I’m surprised your plants are still alive honestly. I grow in coco loco and my pH stays 5.8-6.0. Not sure about the dry amendments as I use dyna grow. Maybe someone aill chime in who uses dry amendments. I’d get that pH down for starts.
Really ?? I thought cocos optimal range im flower was 6.2-7.0.... am I way off??
 
Dirtbag

Dirtbag

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Kinda way off. 5.6-6.2 or so. In early-mid flower I stay about 5.9-6ph.

And red petioles doesnt necessarily mean anything is wrong with the plant. Some strains do it naturally and some dont.
 
usafdorsey21

usafdorsey21

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Kinda way off. 5.6-6.2 or so. In early-mid flower I stay about 5.9-6ph.

And red petioles doesnt necessarily mean anything is wrong with the plant. Some strains do it naturally and some dont.
What if I'm using earthworm casting in my coco coir and organic dry amendments? I read thatbl because I have soil like components that I should find a ph between coco and soil like 6.1-6.5. Does that sound rite ?
 
Dutchess

Dutchess

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What if I'm using earthworm casting in my coco coir and organic dry amendments? I read thatbl because I have soil like components that I should find a ph between coco and soil like 6.1-6.5. Does that sound rite ?
When I do coco coir as a soil I keep it at 6.2
 
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