Where did you buy them. I know if you go on attitude & look up breeder & strain
and it usually tells you how much to expect PER QS FT. or something.
Your looking good so far.
I applaud you for starting with bag seed. a lot of others on here just order
the most expensive seeds they can find and have no clue whats going on.
Heck sometimes ppl who know exactly what they are doing have accidents lol.
Sometimes it's a real waste. :(
You really should just try some reading & research theres a ton of info on here.
I know some people don't like reading but if you want to grow good pot
your going to have to research the subject. start here
https://www.rollitup.org/newbie-central/937-how-grow-marijuana.html...
If your small ones are 4in long I would not
put them on 12/12 if you want any kind of a harvest, not to mention
you don't have enough light for one plant let alone more.
its really best to have at least two rooms if your plants are not all in the same stage.
This way you can have plants on...
LOOKS like it's trying to streatch through the roof to get some light.
Are you on 12/12 yet cause it doesn't really look like it at all.
What are you feeding?
You really need more light of you want any kind of weight from that plant
I have a sirius radio plugged in with my timer in my veg room.
It is tuned to ch 79 a classical station.
I would compare this with the dif that using molasses makes
during flower. It's a clear dif.. Just with the general look of health.
Scientists have done numerous studies
on the best...
Ur gunna get all kinds a stickey when you try to manicure that
cola (if you can even call it a cola lol). It looks like a big tangled up
ball o' christmas lights. lol
looks like a deficiency of some sort check here https://www.rollitup.org/marijuana-plant-problems/157345-have-plant-problem-check-here.html
and here https://www.rollitup.org/marijuana-plant-problems/38772-guide-diagnosing-plant-problems.html
http://www.seeitbigger.com/Portable_Microscopes_s/86.htm
I have this one
http://www.seeitbigger.com/Carson_MicroMax_LED_Pocket_Microscope_p/cpm-mm200.htm
your just now wondering about a fan eh? lol Well.. prob too late now to worry about stem thickness. lol
air circulation is important cause thats a way they eat. Always good to have a fan
no matter what stage of growth
didn't this answer your question? There are alot of diy threads on here https://www.rollitup.org/general-marijuana-growing/138783-do-50-watt-hps-need.html
I know the link says 50 watt but just read through it should answer your q