Media type is not all that relevant, but get the biggest, baddest filter you can afford. Get two of them even...it doesnt matter what brand.
Filters in CO2 planted tanks get clogged very quickly. Clean them very often.
Cheers,
I get it,I'll have to have a look at these filters..I always make my own, never use pressure type filter only sumps, as aerobic bacteria thrives on aeration and you cant give this in a pressure type filter,but obviously its different in planted tanks as less biological is needed..with a sump you can use massive flow rates as long as the return from tank is big enough to cope...
Did have a salty, to much hassle now,yeh go on sump it,i dare ya, I'll put a few pics of mine up tmora,dead simple to clean filter and do waterchange, 5 minutes jobs done..and i dont get my hands mucky or need a bucket or sink..