Thanks to who responded, its a great help! I have a small space heater keeping them at 65-70 at night and 80 in the day.
I will post pictures in a few weeks.
It seems my lower leaves on mainly one of my plants has been getting droopy leaves. Also, one of the lower fan leafs is getting brown and dry.
Strain: amnesia haze
PH: ?
LED lighting 250w
Ventilated with a fan
Temp: 67-74 in the day and 48-55 at night
Humidity: 50-60%
Ferts: miracle...