From 12/12 back to 16/8 light cycle?

Good morning RIU, I switched two of my auto's last night over to 12/12 as they had not shown signs of flowering @ week 5.

Will I be able to switch back to 18/6 without any negative consequences or should I finish using 12/12 lighting?

600w hps


Thanks, in advance.

which strain u using? I had the same question but didnt get a good answer. i guess u could try but stress could cause males to pop out. im guessing thats your concern. Ive wondered if 'dutch master reveerse' can be used to treat male flowers on an auto. but to my knowledge, once the flowering hormones are circulating round the plant, going to a longer light schedule shouldnt really matter :/ im cant say i know for sure tho. would b good to hear from a pro

I believe it's 'Vertigo' by Paradise Seeds as these 2 pheno's seem to be unique from the rest.

My labels got mixed up when I began my grow. So it's either that or Pineapple express by Barneys farm.