Here is the set up. This is temporary. From what everyone said and from experiences of jpen I will be building a small rack soon. But this should last til then.
Tub (yes there is a vented lid but not shown)


The females like to burrow for some reason....


There is a 1.2 ratio of rats

Female 1: 240 grams
Female 2: 250 grams
Male: 235 grams

I have a light on for 12ish hours and off for the rest (they are kept in a big cabinet so they don't stink up my place haha). Aspen bedding with the chew things shown in the pics. Food is Doggy Bag. How can I tell when my females are prego? I was reading and it told me that it only takes 24 hours.
BTW I got these guys from a small mom and pop shop and he was like they norm only have one sex but when we managed to come across 2 males and the rest females. I don't know if that matters.

PS I have had them now for a week.