critters like chincillas dust-bathe in pumice powder bags of hess pumice pumice stones in aquaponics system lightweight concrete with pumice aggregate pumice used as a sand blast media heavy clay soil amended with pumice for new lawn add pumice grit to favorite creams for exfoliating Hess Ultrapozz for high performance precast concrete products non-slip floor with pumice grit in paint adding pumice to enhance the composting process hess pumice plant micro-photo of pumice grains pumice grit handsoap gets off the gunk pumice is an excellent soilless grow media pure natural pumice grow media for bonsai enthusiasts munitions are typically packed in blast-attentuating containers