I started off with aspen wood, and I changed to sand a couple months back. The sand isn't working for me because it makes the coop smell worse than when I'd use aspen wood. The aspen wood would last me two weeks, and the sand just lasts four days. Is there something else I could use inside the chicken coop? I've been told to use hay but I read that it gets moldy faster than aspen wood. Any suggestions? I currently have the sand in both the chicken and duck coop. Just like I said it doesn't last not even a week and I'm wasting more money than what I'd waste with aspen wood bedding.