can i force cold air in at night to get the purps? or a more exotic looking bud?

I always have a dense green bud, never looks very pretty.
would cooling down the flowering room to say 70 deg help?
hurt? anybody cool theirs low?

Ive never heard of this before but my temps when i open the grow box in the morning right as I turn on the lights is always around 70-75 so I guess if your house is not HOT HOT, you should be fine

ehh it stays 78-85 all day and night