Will this much light interrupt the flowering period?

I have a photo period plant in mid flowering in the bathroom(first plant I ever grown) and I notice that there needs to be a temp swing and there's not much(2°F difference) unless I have the slide door open a little and it becomes a 7°F temp swing which i thought is better 81°F high and 74°F low. I have some autoflowers and one photo period plant that are in my room on an 18/6 lighting schedule, will they affect the one in the bathroom?
 

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Then my next question is, if the door is closed all the way and it only receives the 2°F temp drop from 81°F high to 79°low will that be fine to continue till harvest?
 
Any prolonged light during the dark cycle could be dangerous and stress the plant back into veg or even worse a hermaphrodite. A brief look or a quick picture don't hurt but prolonged light is almost always detrimental.

Also...green light. Its true. I grow in tents in a dark basement and use green led strips on the walls so I can see down there when the lights are out. The green light gets into the tents through the vents and has zero ill effect on the flowering plants.
 

calvin.m16

Well-Known Member
Do you like lights being on when you sleep? If there is a very weak light source that is in the plants life from the start of flower it isn't going to cause any problems like a green LED or something, but it's not ideal. I would get some foil tape and start covering all the stuff that has light coming out of it. Get some "Panda Film" or use contractor black thick trash bags and cut them and staple to block light.

You want your dark period as dark as possible and your light period as bright as possible.
 
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