Howdy
Kaylam87 and welcome to the board. I think someone else would reply about the Kaytee pellets and hay. I learned on here that it isn't good for the pigs. You should see if you can find Oxbow in your area or order off the internet it and or KM hay. Here are the links:
Kleenmama's Hayloft :: Home Small Pet guinea pig food: Oxbow Cavy Cuisine and Cavy Performance Foods at Drs. Foster & Smith
There are a lot of great information on here and links to great stuff just have a look around. I am still learning from this site. Good Luck.