Leaves curling up

Tetros420

420 Member
Hello, could anyone tell me if my plants are healthy or not? The leaves are curling up a little bit and I am wondering what could cause this? Also currently I am using 20/4 light cycle with 250w hps should I change to 18/6 already? The strain is girl scout cookies and I am using biobizz allmix soil and biobizz nuttrients.
 

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Hiya @Tetros420 the girls look good, a bit of curling on the edges is not a big alarm setter in my book. How close are your lights? That looks like a bit of "it sure is bright and warm and dry in here" curl to me. For better diagnosing, I'd be curious to hear about:

1) How close your light source is to your girls
2) How warm is it in your room
3) What is the humidity and circulation like
4) What kind of soil/nutes are you using
5) Whats your PH levels like of your soil and water

24 hour light cycle is fine unless you are burning the girls up with too much light and heat. It's really not necessary though in my experience, I'd rater give my girls a rest and save 6 hours worth of electricity! I really don't see much difference when I leave my veg room at 24 or 18/6.
 
My temps are around 25-27°C when lights are on.

1) my 250w hps is 45cm from the bulp to the top of my plants
2) 25-27°C (rarely around 27-28°C momentarily
3) humidity is around 30-40% and air circulation is really good.
4)I am using biobizz allmix soil and before used rootit first feed on my plants but now been using biobizz root-juice and biobizz bio-heaven
5)I have not measured my ph levels at all :(

Ps: I just changed the light cycle to 18/6
 
1) my 250w hps is 45cm from the bulp to the top of my plants
Hmm that's not a bad distance for HPS i think, but I'm not sure I use LED. I'd let a few cycle of 18/6 go and see if that helps. Besides the bit of curl they look healthy!
 
Well now its been a few days on 18/6 cycle and some are still curled up a little bit... some are not. I guess I just ignore it and keep growing my babies :)
 

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Idk many of my friends has and turned out without problems? I only use 250w hps for veg at flower gonna change to 400w or 600w
 
Good to know that hps is good for whole growth. I have a full spectrum LED grow light on the way (waiting to be delivered) and will start to use that for veg next time. For now im stuck with only hps.
 
I noticed today when the lights went on some of my plants leaves started to "reach" for the light. Is this a good thing? One is almost going straight up
 

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