Yellow leaves on seedling

[Eptic]

Hello!

I have recently started a new grow, 7 days in now. (Devil Cream auto) (Sweet Seeds)
In a 1x1x2m tent, 600hps light.
Bio bizz grow nutes & I grow in coco.

I Pre flushed the coco with nutes before putting seedlings in.
Since three days the bigger leaves started showing and I've been feeding them the bio bizz sinds day 2... (Little bit)

Now the bigger leaves are showing yellowing all over the leaves, what's causing this and how can I fix this?
I feed once a day.

Regards

 

[Islandgrow]

Hello!

I have recently started a new grow, 7 days in now. (Devil Cream auto) (Sweet Seeds)
In a 1x1x2m tent, 600hps light.
Bio bizz grow nutes & I grow in coco.

I Pre flushed the coco with nutes before putting seedlings in.
Since three days the bigger leaves started showing and I've been feeding them the bio bizz sinds day 2... (Little bit)

Now the bigger leaves are showing yellowing all over the leaves, what's causing this and how can I fix this?
I feed once a day.

Regards

Looks like it could use some more Nitrogen. Maybe up the nutes a little . How often do you water and do you have perlite mixed in . It could be not enough oxygen to the rootzone. The medium looks real moist.

"carpe diem"

 

[Blondhottie]

Could be slight nute burn

What fert are you using


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[Blondhottie]

Looks like it could use some more Nitrogen. Maybe up the nutes a little . How often do you water and do you have perlite mixed in . It could be not enough oxygen to the rootzone. The medium looks real moist.

"carpe diem"

It can be that too the roots are suffocating


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[Jackrabbit614]

need perlite in your soil. roots need air spots

 

[Kamehameha]

I had the same issue with a plant that was grown in soil without perlite. She slowly died from damping off. I suggest you replant in soil with more perlite.

 

[Eptic]

Thanks guys for the help, will definately get some perlite!

 

[Mountainman80]

Hello!

I have recently started a new grow, 7 days in now. (Devil Cream auto) (Sweet Seeds)
In a 1x1x2m tent, 600hps light.
Bio bizz grow nutes & I grow in coco.

I Pre flushed the coco with nutes before putting seedlings in.
Since three days the bigger leaves started showing and I've been feeding them the bio bizz sinds day 2... (Little bit)

Now the bigger leaves are showing yellowing all over the leaves, what's causing this and how can I fix this?
I feed once a day.

Regards

Could be your hps getting way to hot for the roots that causes all kinds problems