how many hours should clones be under lights?

is it 18 hours??

jim1985 said:

is it 18 hours??

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18/6. some run theres 24.
depends on what type of light you have them under

i run fresh cut clones 24\0 til rooted then 18\6 to veg for 15 days and on to 12/12 flowering

I run mine 24 under CFL's until I get some decent roots going.