just like we use ours
I use warm water and an 1/8 of a teaspoon of salt with a soft kids tooth brush. :-)
only if guinea pigs are considered ''critters''
There are two basic situations in which guinea pigs grind their teeth, and in both situations they're expressing displeasure. They use this sound to tell another guinea pig to "back off"; ie., from a treat or a toy in their cage. They also use this sound if they're frustrated; ie., they can't get past an obstacle (like another guinea pig) to a treat that's being offered.
No guinea pigs cannot there wouldn't be enough space and guinea pigs aren't supposed to use exercise wheels that are usely in hampster cages (because they can easily hurt themselves).
shampoo
Guinea pigs are fine with towels, it doesn't hurt or annoy them in any way. Guinea pigs love soft materials so you should use them especially when cuddling them!
No, they do not use them.
you use Kitten formula!
Yes, guinea pigs can be given a bath. In fact you should bathe your guinea pigs once every one to two months- just be sure to use specially fortified guinea pig or rabbit shampoo when doing so.
so they learn how to use guinea pig communication
a nail clipper
Only if the paper has NO ink on it as ink has been known to be toxic to guinea pigs.