Oh...... That's so sad. Poor piggies. Guinea pigs NEED lots of vitamin C every day. They need fresh water (preferably in a sipper tube), fresh vitamin C pellets and a big space/cage (especially for 3). Guinea pigs need supervised daily or regular activity our of their cage to run around, have fun and explore. If you have a long-haired guinea pig, they need daily brushing (I use a plastic slicker brush). Hideaways are always fun for a guinea pig, although this is not absoloutley crucial. Tree bark (non -poisonous) is good for their teeth to chew and wear them down, as they grow constantly. Nail care is also a necessity for piggies. I think if you ask your vet to teach you or do it for you would be just fine. Hope this helps!