where can one buy loose activated carbon cheap?

[Toastyroadie]

Walmart carries it in the pet fish isle.

walmart dot com/ip/Activated-Carbon-Filter-Fish-Aquatic-Pets/3765514

Toastyroadie Reviewed by Toastyroadie on 02-15-2011. where can one buy loose activated carbon cheap? So that i could fill old computer case lined with cotton like in a fish tank. with a 440 cbm 6" inline fan what can anyone tell me. thankxs Rating: 5