Stunted cannabis,need advice,suggestions and a diagnosis for my ladies plz

AngerbizcuTT

Active Member
the 75W "grow light" is a normal light bulb tech with a filter.
had been my first grow light too in the 90s.
i remember these as quite useless, really not good.
would explain the 12 lumen per watt also.

the CFLs arent great either, best are your led bulbs.
see how much lumen they put out and go after this, its straight forward.
Ok got it..wat about the cree its 38 par LED 1500 LUMENS ?
 

AngerbizcuTT

Active Member
the 75W "grow light" is a normal light bulb tech with a filter.
had been my first grow light too in the 90s.
i remember these as quite useless, really not good.
would explain the 12 lumen per watt also.

the CFLs arent great either, best are your led bulbs.
see how much lumen they put out and go after this, its straight forward.
Ok fair enough I thought the same thing when I got it but its cheap I will switch it out with my cree lights i think until i het more GE grow light they r working well. I have decent light on them they look great. But I want more!!!!!
 

NanoGadget

Well-Known Member
all you can do is work with what you have, but in the future you really need to invest in at least 100 true watts of quality LEDs (lm301 is a great diode) like a Quantum Board or strips. you will immediately understand how under lit your plants are under what you have. carry on and keep learning, it's an immensely rewarding endeavor.
 

Mad878

Well-Known Member
These are my latest pics just took them today ...I pulled them out from under the lights for a more accurate assesment and I got very close with flash on when I took pics. Lmk what yall see please. I really want to get last minute flower preps done this week so I can start flowering next week ...yall been great with the advice and tips thank you all. Ill post daily pics for flowering aswell so we can all watch and see what these ladys are all about...
My opinion you need bigger pot. How is the drainage????
 

VincenzioVonHook

Well-Known Member
You need a LOT more light to successfully flower your plants, a few more 13w e26 bulbs is not going to do much.

As suggested earlier, do yourself a favor and get a proper grow light, prices have plummeted in the past year, good values abound.

You did not have light bleaching
All that matters is the ppfd coming from the lights...the plant doesn't care what it's coming from. For example I have 4x11w 4000k household globes here...it will put out 544umol/s at 12" of 4000k spectrum light.

That 544 umol/s of light is exactly the same as my 120w quantum board at 20"/80%. It will grow plants fine.
 
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AngerbizcuTT

Active Member
All that matters is the ppfd coming from the lights...the plant doesn't care what it's coming from. For example I have 4x11w 4000k household globes here...it will put out 544umol/s at 12" of 4000k spectrum light.

That 544 umol/s of light is exactly the same as my 120w quantum board at 20"/80%. It will grow plants fine.
What light ard you talking about ? The cree ??
 

VincenzioVonHook

Well-Known Member
They have great drainage and healthy roots now..they once where not healthy...now they growing a good inch or 2 everynite...should I use 10 gal pots next time??
10 gal is overboard indoors. I've been consistently pulling 6-7 ounces per plant in 2-3gallon pots of peat mix, and they were autos with three-four weeks veg. Those are in 2x4 tents.
IMG20210804115100.jpg
IMG20210711103841.jpg

These were both 9.5L pots (2.5gal)
 

VincenzioVonHook

Well-Known Member
Bigger pot bigger plant. 5 gallon or larger should do it.
I Second five gal pots. A 3 gal pot is 25x20cm and a 5 gal pot is 30cmx25cm, which Is a negligible difference. Probably the best all round size.

I had roughly 3 gal pots and they required more watering than I would have liked.
Nice bro..did u use side lighting ?
The top one had six household 14w globes and a few 6w IR/UV/3000k bulbs underneath at different angles to boost bottom penetration, and the one in the bottom was a single plant, so there was a bit of room for a 20w led bar on each side about a foot up.

I don't know if I needed it, but it made me sleep better after this. Two autos in a 2x4, one in a 2 gal pot, one in a 3. There was zero light getting through the canopy. I stick to a single plant each tent now.
IMG_20210702_202927.jpg
 

lakesidegrower

Well-Known Member
Just getting caught up on the thread,..
do your best with what you’ve got. If it’s another 2-3 weeks until you can afford a 100w quantum board or bar then just hold these in veg, spend some time doing some LST to train them lower with the added veg time, then flip once you get a light that will give you results you can be happy with in flower.
I know where ur at, easy to say ‘buy this, change that’ and it can be good advice bjt not always immediately useful when you don’t have a pile of cash to put up on a hobby.

I keep reading ur posts about PAR and lumens, andwhile these are valid measurements of light, focus on measuring PPFD and or DLI - a $3 app goes a loooooong way here. These are just more standard ways that growers measure light output in horticultural circles.
 

lakesidegrower

Well-Known Member
Also wanted to mention that the 36 hrs of darkness at flip isn’t a thing, I think there might be confusion with the suggestion from some to leave plants in darkness for two of three days at chop time - some say it causes the plants to give one last gasp of resin production.
This run I tried gradually reducing the daylight hours by an hour a day for a week or so - now onto 12/12 as of today, plants started throwing pistils about half way through, they seem to be stoked. The idea behind the gradual flip is to lessen the impact of what can be a stressful/demanding time for the plant. You can certainly just flip from veg light cycle to a 12/12 overnight though without issues.
 

AngerbizcuTT

Active Member
Also wanted to mention that the 36 hrs of darkness at flip isn’t a thing, I think there might be confusion with the suggestion from some to leave plants in darkness for two of three days at chop time - some say it causes the plants to give one last gasp of resin production.
This run I tried gradually reducing the daylight hours by an hour a day for a week or so - now onto 12/12 as of today, plants started throwing pistils about half way through, they seem to be stoked. The idea behind the gradual flip is to lessen the impact of what can be a stressful/demanding time for the plant. You can certainly just flip from veg light cycle to a 12/12 overnight though without issues.
Nice I have good lights on them now i was trying to decide if i should do 24 hrs dark to help kickstart the flowering. Its a real thing and most claim definate results ..im curious to try it. Have you done it urself ?? I did Do the gradual light flip cuz others here or you mentioned it before to mimick naturalight change. Over about a week. Did u notice a diffrence when u did this ? And do u think 24 hrs dark will hurt it ??
 
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