Only 5 days to quackerette day.
I've picked up a box of Hartz Gravel 'n Grit © ("a digestive aid for ALL PET BIRDS with Calcium Carbonate" or so it says on the box. Well, they aren't pets but...) I was planning on just mixing it in with their feed. My question is how much? 1 part grit to how many parts of feed?
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