Seachem makes some stuff.
http://www.seachem.com/Products/product_pages/HyperSorb.html">http://www.seachem.com/Products/product_pages/HyperSorb.html</a>
[IMG]http://www.seachem.com/Products/product_pages/HyperSorb.html">http://www.seachem.com/Products/product_pages/HyperSorb.html</a>