Need to worry?

[DevilDog_0651]

Problem: light green/yellowing new growth
Light: 600w LED - maybe 18 to 20"
Grow Medium: Coco Loco + perlite
Temps: mid 60's to mid 70's
Humidity: low 40's to mid 50's
Feed: organic grow shop "custom grow" + "smart tea" + cal/mag. I feed every watering
Water pH: roughly 6.1 to 6.3
Soil pH: unknown
Age: 4.5 weeks from sprout

Other than the light green/yellowing this girl has had explosive growth

 

[DevilDog_0651]

 

[JakeRake]

Problem: light green/yellowing new growth
Light: 600w LED - maybe 18 to 20"
Grow Medium: Coco Loco + perlite
Temps: mid 60's to mid 70's
Humidity: low 40's to mid 50's
Feed: organic grow shop "custom grow" + "smart tea" + cal/mag. I feed every watering
Water pH: roughly 6.1 to 6.3
Soil pH: unknown
Age: 4.5 weeks from sprout

Other than the light green/yellowing this girl has had explosive growth

I think you may be over feeding. I would recommend just watering for 3 ish days with a ph of 6.8 and watch to see if they stop drooping and watch for the color to come back. After that depending on how long your strain runs maybe just watering for the last 3-4 weeks to flush your babies.


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[DevilDog_0651]

Okay, thanks for the advice. I made a half strength batch and fed before i saw your response. I will just water next time the pot is light. Thanks again!

 

[DevilDog_0651]

@JakeRake just wondering, why do you say water at 6.8? This is my first grow so I am trying to absorb all knowledge

 

[JakeRake]

@JakeRake just wondering, why do you say water at 6.8? This is my first grow so I am trying to absorb all knowledge

It is considered the sweetspot for plants to absorb as much nutrients as possible. If the ph is to low or to high the plants will stop absorbing nutrients.


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[JakeRake]

Okay, thanks for the advice. I made a half strength batch and fed before i saw your response. I will just water next time the pot is light. Thanks again!

No problem!


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[Arthur]

Temps are too low, sweet spot under led is 80 to 85*. hps I run 68 to 75.

 

[DevilDog_0651]

Ok, i have my heater set to 75, so i will raise that up 7 degrees to split the difference.

 

[Waira]

low T's make organic in particular slow to break down and release nutes, plus what it does to slow uptake and transport once in the plant.... keep it at or above 67F at night..
Symptoms look like P defc., so get more food in there, something richer in P and K than just tea,...