I AGREE THAT THE PIECES ARE PROBABLY GOING TO BE TOO SHARP. 1" PIECES ARE PRETTY LARGE. i KNOW SOME BYC MEMBERS HAVE FOUND CONCRETE COMPANYS ETC THAT SELL SAND QUITE CHEAP. i KONW WE CAN GET A BUCKET (LIKE A BACKHOE TYPE BUCKET) FOR $25. WE WILL BE GETTING THAT, HOPEFULLY BEFORE WE GET SNOW THAT LASTS MORE THAN 12 HOURS (LAST WEEK WE HAD 20 DEGREE WEATHER, TODAY, IT'S 70)
I WOULD RECOMMED SAND. WE DO USE IT CURRENTLY IN SMALL AMOUNTS AND IT'S GREAT! MUCH LESS OF A HASSLE THAN THE MUD. I LOOK FORWARD TO GETTING ENOUGH TO NOT HAVE TO USE STRAW ETC AS WELL. THAT'S AWFUL TO MUCK OUT OF THERE COVERED IN SAND AND MUD.
IN MY OPINION, I'D CHECK AROUND AND SEE WHAT KIND OF SAND YOU CAN GET AND FROM WHERE. I KNOW A BYC MEMBER USED 2 PICK UP TRUCKS WITH TARPS DOWN AS TO NOT GET THE SAND EVERYWHERE, HE GOT HIS FOR CHEAP. MIGHT BE A LITTLE MORE IF YOU HAVE IT DELIVERED BUT AS LONG AS IT'S 3+ INCHES DEEP, YOU'LL FAIR BETTER IN THE LONG RUN.
PLUS SMALLER SAND ETC IS GREAT BECAUSE YOU MAY NOT EVEN HAVE TO GET THE BIRDS ANY GRIT. THEY'LL EAT THE SAND AS WELL AS SCRATCH IN IT AND TAKE DUST BATHS. MULTI PURPOSE