can flowering plants have more than 12 hours light?

You like my math skills? I like your thinking skills. A digital timer with 7 on-off cycles can go on and off whenever you want. Still a software engineer after 25 years so I'm pretty sure I can do the math.
 
okay there are still only 24hrs in a day so now ur just makeing up unnatural light cycles good luck with ur long airy foxtail buds
 
So what if there's only 24 hours in a day? That's why it's called artificial lighting. You should read your own tagline, you would do well to observe it yourself. I asked for opinions on the subject, not for some smartass that thinks the world is flat to start sounding off.
 
the window is quite small only 2 hours or so with most strains
14/10 works fine, for flower with most
16/8 keeps most in the veg state

never tried a 15/9 maybe it would be confused lol
try that OP and let me know
 
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