Hello there and welcome to BYC!
Sounds like you are giving them lots of lovin'! One bug won't hurt anything as far as needing grit. They will break that down just fine. So waiting til Monday to get grit is not a problem.
Enjoy your new babies and welcome to our flock!

Sounds like you are giving them lots of lovin'! One bug won't hurt anything as far as needing grit. They will break that down just fine. So waiting til Monday to get grit is not a problem.
Enjoy your new babies and welcome to our flock!