Help, what deficiency is this? Dried up Fan leaves

  • Thread starter my9goesbang
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my9goesbang

91
18
I'm on Day 48 from seed (Veg stage)
Seems like 1 by 1 my fans leaves are dying on me. 1 gallon pots I water with 16oz of water. I'm on my 3rd week of using the Happy Farm Trio ( I use half of the reccomend dosage**) On 1/16 was my 1st feeding, I normally feed it on Sundays ( I try to keep PH at 5.8-6.0) (My Runoff is around 5.5)
Feeding I use:
16oz of H20
BIG BLOOM 45ML
GROW BIG 22ML
CAL-MAG 15ML
Then on Wednesday or Thursday I'll give it:
16oz H20
CAL-MAG 15ML
.
My Temps 78-83
Humidity %40-65
SF4000 Light around %80
Light Distance 26-28 inches away
Happy Frog Soil
Top Dressed with Worm Castings (less than half a cup)
 
20220201 065456
20220201 065549
Last edited:
GreatWhiteBud

GreatWhiteBud

135
43
Maybe just senescence, older fans might just have run their course.

But it might also be Sulphur, get some gypsum to fix that.

... Or Potassium...
 
Last edited:
mysticepipedon

mysticepipedon

3,104
263
I think it's potassium. It may be lockout from over-doing it on the cal/mag.

You know it isn't sulfur, because sulfur is an immobile nutrient and would appear at growing points/upper leaves.
 
Madbud

Madbud

3,246
263
Older leaves, probably just from overwatering when they were young. New growth looks good.
 
GNick55

GNick55

Staff
Supporter
5,277
313
wow that’s a lot of food, especially the calmg..
how long those plants been in those pots? what size pots?
 

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