Newbie

[Bose]

Can someone tell me if this is nute burn. Or possibly the light being to close. 400 watt led is what I'm using 6 inch above plants. I did give them 1/4 nutes ff

 

[GrowinDad]

I am guessing is is light burn. Raise that sucker to about 18" above for now.... Plus they do look small for nutes. What's in your soil?

 

[Dr. Who]

Nutes and pH related......seedling - in soil - pH in-going liquids to 6.7.....

Better yet - What is the soil?

Gave it nutes?

 

[old shol4evr]

soil to hot for seedlings

 

[nflguy]

If using FFOF, no nutes till 4 weeks in

 

[Jeep112]

Yeah I'm a newb myself but I have already learned ffof is hot. My seedlings did fine in it but I didn't give nutes until week 4 and still only 1/4 strength.

I had a friend who bought cheap soil and his seedling died due to poor PH. They looked very similar to that.

 

[Bose]

Yeah I'm a newb myself but I have already learned ffof is hot. My seedlings did fine in it but I didn't give nutes until week 4 and still only 1/4 strength.

I had a friend who bought cheap soil and his seedling died due to poor PH. They looked very similar to that.

Thanks for the reaponse. I flushed them last night and today they are looking better. The soil is organic and pH is 6.5. I do have a question how far from the lights should they be. I have to 4 foot flros and 400 full spec lcd. Thanks in advance

 

[GrowinDad]

Saying soil is organic means nothing. If it is a soil with a lot of nutes in it, then wouldn't flushing just release more???

With those small plants, you don't need all that light. Fluoro sit closer than LED. As stated before, I would put the LED 18" above the plants. Trust me, I only grow LED...

 

[Whambud]

hey have a question ive found a few seed have had them for a week and three days there now healthy seedlings about four leaves (not the round baby ones) two bigger leaves (one finger) and two baby ones in between have them in plastic cups, temps at 25c everythings good they really liked the nutrients at 1/4 strength, back to the question when will i be able to sex them not looking to transplant all of them out of the little cups till i know if there fem or male how long can i keep them in the little cups for and will it be long enough to sex them, thanks Whambud

 

[Jeep112]

Thanks for the reaponse. I flushed them last night and today they are looking better. The soil is organic and pH is 6.5. I do have a question how far from the lights should they be. I have to 4 foot flros and 400 full spec lcd. Thanks in advance

I have a 300w Mars hydro LED and I try to keep it at 12-14 inches, my cola got under 11 inches and it looks like it was light burning so I did a little LST by gently tying down the main stem so it was even with the rest.

I know this is prob a wack theory, but I take a picture from the top while the LEDs are on and look at the way the light hits. If you notice in the photo below that the top looks a lot brighter, I feel that mean it's too intense on that area. But I could be an idiot

 

[ButchyBoy]

More info is needed.
What are you feeding them and why?

They are very small and most likely do not need any food at this point!

 

[THCBrain]

I don't understand your plants have feeder leaves (ya know the ones that make it look like a cress plant) I was always told not to feed till they either start drooping or they have died off (that was in the Jorge Cervantes Bible)