Sure buddy
This part is fact..... your yields will be greatly decreased no matter what medium or growing style... there is NO conyraversy there 12/12 with auto's kills yield.... Ok there's that, it is some people OPINION (yet to see test run) that growing them 12/12 may enhance terpene or alter them....
Ok on to 18/6.... thus is a great schedule for autos and is a medium between max light and saving money on power bill... I used to run all autos on 18/6 and had great results while saving that extra 4 hrs a day on a 70 day run...
On 20/4 is what I now run I have seen a slight increase in yield over 18/6 but as stated the power bill went up as well.... so it's up to the grower... the yield did increase slightly nothing crazy but is it worth a little bit more of you hard earned money???
24/0 will grow a nice plant..... but here's my opinion... I have not seen enough evidence to up my bill even more to switch to 24/0.... I do know this... all plants and animals have a sleep cycle naturally... when my lights go out after 24 hrs the leaves have a little droop yhe plant looks to me to be fucking tired from a ll that work growing and synthesizing and producing flowers... after a 4 hr nap the leaves are nice flat perky facing the light... rejuvenated.... this is why I'll never run 24/0 everyone needs a break sometime