Grit meant for chickens contains ONLY crushed gravel--mostly granite. Parakeet grit almost always contain calcium and other minerals meant for caged birds. Baby chickens can be killed by too much calcium intake. You don't even give laying hens food with extra calcium until they actually...
The play sand is okay just like it is. No need to wash it and bake it. Play sand and contractor's sand contain prebiotics, which helps prevent pasty butt. Parakeet grit is not okay. Any sandy dirt from outside with small gravel in it is okay to give them, as long as it doesn't come from a...