nicklebag05

my leave tips are curling downward pretty bad. i have good ventilation,not to hot,and i dont think im over watering. leaves are still healthy but just curling. cant firgure out what to do thanks

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farmergiles

Is the soil dry? Wet?

Pics?

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nicklebag05

heres some shitty pics... as you can see bottom leaves are "burnt" not sure if just dyin off or what. i water everyother day if needed or everyother other day. ive feed wit 20-20-20 3 times very lil concentrate. its just at 8 weeks. dont knw if it can be seen but even top new leaves coming out clawed down... other then the curls it seems good and healthy. the burnt tips started instantly after i top it 2 weeks ago.

Attached Images

   

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farmergiles

They look green enough anyway.

Could be a pH/watering issue. How long ago did you pot them into these pots? The pots look fairly big for the plants, maybe the rootball isn't occupying all of the soil and some of it has become stagnant.

Use the weight of the pot to judge when to water- as it gets lighter you know they have use up water. You can even use bathroom scales to ensure consistency.
When it is time to water don't be afraid to give them a good soaking, just make sure not to keep them sodden all the time.

What's the aeration like in the soil? It looks like it might be a bit heavy.

Are you checking the pH when you water them?

I would have suggested that there is too much N although that seems unlikely with the limited feeding you've applied.

Humidity could be another suspect- do you have a good exchange of air from inside your growspace?

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Pharm Girl

Try this......seeing as though the plant looks nice.
If it was mine...I'd re-pot gently in one of our soil recipes posted.

http://www.yahooka.com/forum/best-be...il-recipe.html

And.....we all like white walls...wether it's painted or mylar type covering....so long as it's white.

That water breaths right? Regardless wether or not it's spring water...i think we all agree it needs to breath at least 24 hours before using.

I'd use a deeper pots too........

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nicklebag05

soil is just potting soil wit a cup or so of worm casting n rocks n the bottom for drainage. i have a phototron so its totaly surround by mylar slides. in the pics i just had to take it out so you could see it without my computer being blinded. i actaully took the top off the phototron and hung my feliz 250 cfl down inside it. water is good water comes out of one of those 5 gallon dispencery things, but i do let it breath.

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farmergiles

Agreed, a re pot should help.

Rocks in the bottom won't help- they just stop the plant from using the bottom of the pot.
Better to use perlite or vermiculite mixed in the soil to improve drainage. You can get a massive bag from a builders' merchants real cheap.

Worm castings are good.

Dolomitic lime will help stabilize pH in soil which is good if you arn't pH balancing your water.

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vaporedout

walmart has perlite cheap