Does anyone know if it is safe to use the aquarium sand in your tank with dwarf frogs? I have read on Petsmart customer reviews that people say it is hard to rinse off that it takes along time to rinse it off and that it takes a long time to let your filter run before your tank clears does anyone have any experience with this? I was thinking about getting some but I didn't want to have to wait all day before I could put my frogs back in there. I wanted to just take them out while I put it in and than put the frogs right back in. Maybe I will just have to use something else. Any suggestions would be appreciated. Thanks!