Best Seller | Water Care Akua Pure High Pore Bio Media, 100 Gram AkuaPure is an organic filter media made of very fine grained clays. A small mass possesses a very large surface area, so, even when using a small quantity of the product, there is a vast area on which good bacteria (Nitrosomas and Nitrobacter)... ... more Water Care Akua Pure High Pore Bio Media, 100 Gram AkuaPure is an organic filter media made of very fine grained clays. A small mass possesses a very large surface area, so, even when using a small quantity of the product, there is a vast area on which good bacteria (Nitrosomas and Nitrobacter)... Petco.com | | $7.99 go to store |