Nuvoc Microbes Special Clay is a specially made Inert porous clay, heated over 800 degree celcius to remove all forms of bacteria and has high liquid absorption capabilities. Great especially for Orchids.
It is also infused with In Vitro's proprietary Nuvoc Microbes that is patented by the Nanyang Technological University that contains 12 Varieties of Probiotic Strains that are able to purify up to 70% of the air around.