Plants taking lots of water

Ok, i got these plants in 3 gallon tubs and in FFOF soil and they need to be watered like every days now or they will wilt. I use to water them every 4 days is this normal for plants in 2 1/2 weeks of flowering they are purple kush and stand from soil about 26" to 36". The temps in the room goes from 70 degrees in the dark to 90 degrees when the lights are on after a few hours. I know its a little hot but they look healthy as long as i water them. Is this normal?

I think a healthy appetite is a good thing. Usually the only plants I have to water every day are the ones that are quite root bound though. Are you watering each time til super soaked? I don't really feel like FFOF is particularly porous without augmenting.

Yes this is normal.

The first bowl of water usually seep through the edges because the soil is dry. I would water about 6 more plants the same way as i wait for some of the water to soak in. Then i would slowly pour the next bowl of water and see what happens fi the water is just going right through. I would continue to water other plants the same way while the water has time to soak. Then i would try to lift the 3 gallon pot and see if they are heavy with water before i can say i am done watering. After a day and a half it is dry again and light.

Water thoroughly, like soak the hell out of them, then the next day, before it has a chance to dry out water regular, this will fix the problem if the problem is that the soil isn't retaining water, if that doesn't work just water every day.

If you have high heat and low humidity they will drink more, use a less concentrated feed schedule otherwise you will get salt build-up