Hoping to get pointed in the right direction!

RF90

RF90

Active Member
Alright guys so I have searched online for what is causing the yellowing on my leaves and the tips to curl down/brown. No luck.

ONE MONTH OLD DWARF LOW FLYER AUTO ( the size is on track, it will not get bigger than 24 inches tall).

Pre-flowers popped around week three.

The center where the seed was planted was a solo cup depth of plain organic seed starting mix. Outside of that is FFOF w/ a small amount of kelp mixed in and perlite.

PH of runoff is 5.9/6.0

Recently switched from 24/0 lighting to 20/4.
(4) 54w T5s about 8-10 inches above.

any thoughts?!

Thank you!
RF.
 

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twentyeight.threefive

twentyeight.threefive

Well-Known Member
RF90 said:
Alright guys so I have searched online for what is causing the yellowing on my leaves and the tips to curl down/brown. No luck.

ONE MONTH OLD DWARF LOW FLYER AUTO ( the size is on track, it will not get bigger than 24 inches tall).

Pre-flowers popped around week three.

The center where the seed was planted was a solo cup depth of plain organic seed starting mix. Outside of that is FFOF w/ a small amount of kelp mixed in and perlite.

PH of runoff is 5.9/6.0

Recently switched from 24/0 lighting to 20/4.
(4) 54w T5s about 8-10 inches above.

any thoughts?!

Thank you!
RF.
Click to expand...
Looks hungry. Medium looks dry, could just be in between watering I guess.

Stop checking pH of runoff.

Did you plant the solo cup in the new pot or did you remove the plant from the solo cup first?
 
RF90

RF90

Active Member
twentyeight.threefive said:
Looks hungry. Medium looks dry, could just be in between watering I guess.

Stop checking pH of runoff.

Did you plant the solo cup in the new pot or did you remove the plant from the solo cup first?
Click to expand...
I made a hole with the solo cup outline and filled that in with seed starting mix. Then planted the seed in that. No transplanting or anything like that.

yeah I’m in between watering. About every 3 days or so.
 
H

Hairybuds

Well-Known Member
RF90 said:
Yeah I was thinking the same thing… But if they are hungry why are the tips brown on the old-growth?
Click to expand...
RF90 said:
Yeah I was thinking the same thing… But if they are hungry why are the tips brown on the old-growth?
Click to expand...
They don’t have enough K, a K deficiency is a bit tricky, it’s disguised as a nutrient burn because they look burnt. The main difference between nute burn and K deficiency is nute burn your plants are usually dark green with burnt tips whereas if they are yellow with burnt tips/edges it’s a K deficiency. They also need N. Cleared up?
 
H

Hairybuds

Well-Known Member
87939187-17C6-45D4-89C0-B164ED5B0ADC.jpeg3F06CF7E-5F2E-4C45-A4A1-303370F82C63.jpegAsk me how I know, in my case my mix was too hot in Ca and Mg and it locked out K until they got bigger. Mine didn’t need to get fed tho, it was too much for a seedling.

Here’s what it looked like after it acclimated to its pot
 
RF90

RF90

Active Member
Hairybuds said:
They don’t have enough K, a K deficiency is a bit tricky, it’s disguised as a nutrient burn because they look burnt. The main difference between nute burn and K deficiency is nute burn your plants are usually dark green with burnt tips whereas if they are yellow with burnt tips/edges it’s a K deficiency. They also need N. Cleared up?
Click to expand...
It’s rare you find people agreeing on a forum! But you guys helped a ton. I will do a early flower nute mix with General hydroponics.
 
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