I CLEAN THE BOXES OUT ABOUT 3 TIMES A DAY, AND THEN PUT THE USED LITTER INTO A DOUBLE PLATIC SHOPPING BAG, AND THEN THROW THEM INTO THE GARABGE BAG AT THE BUS STOP , WHERE ITS ALL GATHERED IN A BIG INDUSTRIAL BAG AND TOSSED IN THE LAND FILL.
I GUESS THAT EVERY DAY THEY GO THROUGH 8 POUNDS OF CLUMPING LITTER!!