Andie Paysinger wrote: Then get some diatomatatious earth Whoa there Andy - My Late stepfather Passed away as a result of Mesathelioma -Blue Asbestos Related . so I have been aware of problem Dusts etc for a while - In Australia the only way they mine Diatomaceous Earth{which are minute marine shells with Sharp pointy edges} is a wet process where they spray water mist all the time the miners are down there. It is considered as dangerous Asbestos dust , NOW there is no way I would use this stuff in lieu of a dedicated sand Box, Prefered to do the Fred Flintstone myself and throw the cat out the door , But as these non native feral animals are now nearly considered as huntable, I'm Ripped now i Have a Legit reason to take care of the problem ... ********************** No fense intended - But if you care to look up your local State MSDS sheets you wouldn't touch this stuff with a 1000 foot Bargepole.. Luke in Oz Ex Cat owner -No flames