2. To drink water, buy a special water dispenser, change water every few days, and don't feed raw water. It's best not to use bottle caps, because they are easy to die when wet.
3. Without a picture, the eyes are red and the body is white, probably a snowball. The first line is fierce, you should be patient, and of course you should be careful to be bitten at first.
4. The recipe is to buy special rat food, bring some snacks for grinding teeth, and vegetables and fruits (not too much).
It seems that it is ok to take wood blocks, but he won't chew when I buy molar stones. Buy more snacks for grinding teeth.
6. They are more active at night, but they are active every few hours, so sometimes during the day. It is best to fix the feeding time, if not, it doesn't matter.