My first set of chicks are now about 5-6 weeks old, and soon will be in their new coop. I am getting them outdoors every day for a few hours and they LOVE IT!!! I would also like to get them a dustbath set-up, and am planning to use either all foodgrade DE or a mixture of DE and some sand. Are they old enough for a full-on dustbath? I think they'll love it! What kind of sand is best? How much in a ratio of DE to sand? What size vessel will work? I am planning to add this to their outdoor time, and they can use it in their run eventually... Open to any ideas, thanks!!!