mysterybox;803245 wrote: just thinking of a space save idea, could I use something like this?
http://www.amazon.com/Marineland-PC0250HSB-H-O-T-Magnum-55-Gallon/dp/B000260FVQ/ref=sr_1_424?s=pet-supplies&ie=UTF8&qid=1349540093&sr=1-424&keywords=canister+filters+for+aquarium">Amazon.com: Marineland PC0250HSB H.O.T. Magnum 250, up to 55-Gallon, 250GPH: Pet Supplies</a>[/QUOTE]
Seachem recommends using Matrix in a canister filter, so a HOT Magnum would be a good application. But, I think there is only about a two cup capacity in the media container, so I'd make sure you only need that much before you buy one. Otherwise, you might consider a media reactor instead.