Can I change light schedule time

Hey folks, Im 2 1/2 weeks into veg and run my 18-6 schedule with lights on during the day. This grow Ive decided to sep my lighting up and added a 400 watt hid with my 600 watt. Daytime temps have been in the 50's lately making the temps in my room pushing almost 90 degrees.
My question is do you think flipping my 18-6 schedule so my lights are on at night instead of the day will stress and shock my plants? I just topped them 3 days ago so there a bit stressed already so maybe nows a good time to flip my light cycle completely around or no? Thanks...

bump.............

I'd wait, until either a total of 4 weeks have been done, or your plants are about 10-14 inches big, but you can and it wont hurt your plant, you just wont get as much.
good luck

MetroidThatSmokesTheGanja said:

I'd wait, until either a total of 4 weeks have been done, or your plants are about 10-14 inches big, but you can and it wont hurt your plant, you just wont get as much.
good luck

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Thanks for stopping by with a reply..I think you misunderstood my question... Im not planning on changing to 12-12.. Im going to veg 5 weeks or more.. Question was changing my 18-6 schedule so that my lights come on at night instead of the morning.... Sorry for the confusion....

bump........................

If you flip your light cycle completely, you wont gonna stress em out anymore then the topping itself.. Go for it..

i would't worry about it. there are people who veg with 24/0(!!) so add a few more hours of light time then turn them off durring day time. i do it the same way for the same problem. good luck!!

I'd go for it, just extend their 'night time' until you want the lights to come on.

You can veg with 24/0 lights. Just leave them on until you reach the new point where you want to shut them off for their 6 hour break, and set your timer for that point.

Thanks for all the replies... I just needed some reassurance...... Im going to put them to bed again here in a few hours again...

smokey mcsmokester said:

Thanks for all the replies... I just needed some reassurance...... Im going to put them to bed again here in a few hours again...

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good luck!!