They are best used for seedlings or clones or as supplemental lighting during the vegetative stage.
Best lights for growing clones.
For freshly cut clones give them ambient light only.
Seedlings clones and mother plants can be successful with 200 to 400 µmol m 2 s 1 ppfd.
This light will ensure that your harvest will yield as much as it can.
When you see new growth you can give them full light with the rest of your plants in vegetative growth.
Clones and seedlings do not need much light intensity but even so incandescent lights are practically useless for growing plants.
It doesn t matter if you re growing in soil or with a new school hydroponic system.
The best led grow lights provide all the right wavelengths to grow big beautiful buds.
1 types of marijuana grow lights.
The light cycle for clones should be 18 hours on 6 hours off.
The lighttimetunnel get our nod as the best light for clones.
With some more space to spread out your options are greatly increased.
Do not put freshly cut clones under direct light.
Now you can start looking into full size fluorescent lights high intensity discharge lights and plasma lights.
The light emits very little heat while delivering the right amount of light.
When you see roots then you can gradually give them more light.
A few marijuana growers i ve spoken with swear by them for the cloning seedling stage but incandescent lights are probably the only lighting technology that i would suggest completely avoiding when growing plants.
Full sized fluorescents are usually referred to as t5s in reference to their size and shape tubular 5 8 of an inch.