What causes this leaf curling??

skefaman

Well-Known Member
i use a 20" box fan in a top corner for my exhaust, passive intake through hole near bottom corner of the room with a humidifier near it.. made room 4 x 8 x 7 with black poly and duct tape. the fans rated for 2500cfm on high.. more than enough to cool my 400 and 600 batwings

edit: just have to add a tunnel (iused a cardboard box, it fit perfect) on the exhaust side of fan to block light from going in
 

JohnyPotHead420

Active Member
thats smart i have like 4 box fans so i could try it out that way i just dont want to be cutting alot of holes in my room just some small ones for some squall fans
i was thanking 2 exit fans and and no intake fans bc like i said my rooms not sealed

one fan for each room when i split it one for flower one for veg
 

JohnyPotHead420

Active Member
nice so i just got this humidfier it lets me set the humitiy to what i want then it shuts off its kinda nice but all it is is 2 tanks that drain water into a pan and it has 2 fans that blow out is that a clean one or something? idk i got it for free just wondering if i should upgrade later
 

JohnyPotHead420

Active Member
heres a pic with out the tanks on the sides it has dual tanks and the water just pours in the tray and the fans blow up i got it set at 60 now testing it out
205.jpg
 

JohnyPotHead420

Active Member

  • so i just checked on that thing this morning still 20 humility and it is loud as fuck so i just turned it off i got 2 5 gal buckets i filled with water took my 2 60 hour air pumps and put 2 stones in each and im runnning ever 15 on and off its gone up to 25 now in a hour so far so im just trying it out i think im gonna get a humifier that like mist or something the fan one sucks and is loud​




 

imchucky666

Well-Known Member
well i got a plug in heater that has a way to set the temps its 70 in my room but 80-5 under the lights for the plants i have a big box fan that runs on low every 15 mins off and on i have one bucket thats filled with water in the room its a 5x5x 20 feets im planning on spilliting my room into 2 one flower one vegs and clones but for right now im heating the whole room its like i said 70 temp for the hole room i have the gage at the top and i have one on the plants which say 80-85 i spray they plants 2 times a day to try to raise the humidity but i guess its not enough lol
Try hanging a wet towl in front of your fan, and when the heater is on do the same there.
 

imchucky666

Well-Known Member
This is the only plant in my room doing this, the strain is Darkstar. I'm guessing the problem is strain specific, and nutrient related. Could this be lockout from too high of a pH. I know it is around 6.7 instead of 6.2. It is only on a few of the middle fan leaves, also. The bottom, and the top fan leaves aren't doing this. Thanks for any help. Second pic is a leaf on the exact same plant, only one node down.

View attachment 2396442View attachment 2396443View attachment 2396447
Sorry Bama, your thread got sidetracked there, and nobody even mentioned it.
Are you in soil?
I'm kinda curious, because you mentioned 6.7 and 6.2
If you're in soil, that's not too bad, aim for 6.5, but if you're in coco or something, you're pretty high.
View attachment 2398891
 

marc88101

Well-Known Member
Your leafs are ” curling” or ”hooking”, from to much fert, or over feeding. Its NOT humidity! 20% humidity may stunt growth a bit but will not cause the effect you are experiencing! I run my humidity low also and it keeps my plants free of fungi! I get great results! Check your ppm, and cut back a bit on your feeding Schedule and it will correct itself!
 

JohnyPotHead420

Active Member
Your leafs are ” curling” or ”hooking”, from to much fert, or over feeding. Its NOT humidity! 20% humidity may stunt growth a bit but will not cause the effect you are experiencing! I run my humidity low also and it keeps my plants free of fungi! I get great results! Check your ppm, and cut back a bit on your feeding Schedule and it will correct itself!
their not doing anything yet i just was told it was low so i should raise it but i had the prob with my last grow but that was a dwc hydro grow im hoping with soil ill do just fine i think i rushed into growing to fast on my first grow im just babying this one
 

JohnyPotHead420

Active Member
it helped alot i was using a 1000 watt hps for my new seedlings in hydro dwc so i think i had to much light thats why they where curling up
 
Top