i used the shredded aspen but with 21 snakes and only doing teh tubs (18 ) it took 3 of the largest bags I could get and cost way too much I liked it the best but it just too high . I been getting some that from kaytee(spelling?) that like 23 bucks for a large dbrown bage it like 3.0 cubid ft it great and it just like pine shavings in cut. I been trying this tractor supply version it more of a chipped sytle and it a little cheaper but has more dust .
I also use paper towls but i have a problem with my guys/girls moveing the bowl all over and wadding u pthe papertowls . or the go in one corner and the entire tub needs to be scrubbed cause it all wet and the snake not got a dry area to lay.