http://www.seachem.com/Products/product_pages/Matrix.html
I have close to 20L of this brand new @ $10/L
Over 40L used in my sump which has never been medicated @ $5/L
Big Al's sells it for $15.99/L + tax
http://www.bigalsonline.ca/BigAlsCA/ctl3664/cp17965/si1317198/cl0/seachemmatrixbiomedia1liter
Please email or PM with a contact number.