CF-400 bio media

[BellycrawlerJaws]

So I'm trying to find an inexpensive bio media to fill my CF-400 canister with... I'm torn between scrubbies and tru aqua's bio media.

Here are the options...

http://www.amazon.com/gp/product/B00...pf_rd_i=507846

and

http://www.amazon.com/gp/product/B00...A2NAGYWCDJJU0A

I'd be buying either 3 boxes of the media or 5 packs of the scrubbies.

Thoughts?