Light intensity for clones (2024)

Shoot i wanna say its 200 to 400 par. So 25 percent and id guess maybe 12 inches from the dome. You dont need strong or much light for clones. T5s do fine for me and i hang it about 12 to 24 inches from the clones.

Then as that grow gradually increase the strength.

Dub_City405 said:

Shoot i wanna say its 200 to 400 par. So 25 percent and id guess maybe 12 inches from the dome. You dont need strong or much light for clones. T5s do fine for me and i hang it about 12 to 24 inches from the clones.

Then as that grow gradually increase the strength.

Click to expand...

Pretty sure 400 par will kill them. 1 household cfl 8" maybe 2000lux is all you want.

Dub_City405 said:

Yeah i believe 300 to 400 par is mainly mother plants. 200 to 300 is clone. I use t5 florescent anyway.

Click to expand...

I dont have a par meter but 5000lux is less than 100. 2500-3500 lux max for me.

Dub_City405 said:

Ahh ya none of that par stuff is really necessary unless youre trying to grow some f*cking fire and put the plants to maximum work. Once you dial in on that par and ppms per feed youll get some real quality.

Click to expand...

PAR and PPM have absolutely nothing to do with quality.

Dub_City405 said:

Oh the amount of light and what you feed the plant has nothing to do with quality??? I must be on pluto...

Click to expand...

Clones need very little light and no food. The amount you recommended would kill them any where on earth.

Dub_City405 said:

Oh they are clones forever?

Click to expand...

Did you even read the thread or you just trolling?

Squam said:

So this is my first attempt at cloning cannabis as well as my first grow so I’m learning as I go. I bought a led vivosun led light and I’m able to control the intensity of the light and I’m not sure where I should keep it it’s been 1 day since I cloned them I had it on 100% just turned in to 50% still fairly strong. Any advice would be greatly appreciated!!

Click to expand...

Make sure you open the lid a few times a day and fan the clones , if you leave them with all that moisture on the lid , they might mildew and drop dead

Just enough to keep em from flowering, lower the better....abient room light is plenty and I agree less than 5000 lux for sure.

Even wonder why clones go yellow? They have no roots to take up the nutrients needed for the intensity of light they have been given so they try to start taking it from the existing leaves and you get an instant N deficiency... they take longer to root and not nearly as healthy. You don't want them photosynthesizing and trying to grow foliage creating demand from a root system that isn't there.

Once you see roots light nutes and 5-10k for a week works well for me.

growsince79 said:

Pretty sure 400 par will kill them. 1 household cfl 8" maybe 2000lux is all you want.

Click to expand...

Do this , it's perfect

growsince79 said:

Pretty sure 400 par will kill them. 1 household cfl 8" maybe 2000lux is all you want.

Click to expand...

Though the Greek restaurant take out tin is a new one to me .......
But the clones look perfectly happy

Dub_City405 said:

Yeah i believe 300 to 400 par is mainly mother plants. 200 to 300 is clone. I use t5 florescent anyway.

Click to expand...

Would you be able to tell me how many lumens these lights put out ?

dire wolf said:

Though the Greek restaurant take out tin is a new one to me .......
But the clones look perfectly happy

Click to expand...

Supermarket banana bread.