Thanks I thought so, just was curious about the stuff sorry next time I'll do a search firstFor a question like this try searching first.. its asked constantly..
DO NOT UNDER ANY CIRCUMSTANCE use vita or calcium sand.
if your asking this question you shouldn't use any sand at all. under the right conditions it can be used successfully but you dont have the knowledge yet.
You can use...
paper towels
brown paper bag
newspaper
if you want to look nice
slate tile
or other tiles.