I currently have one in my 2g hex the 5...
What im planning to do is, once i have another set of tubes, and pvc pipes to make this application, im going to use the motor to convert into a canister filter, as i tested the concept, but cant tested the concept with some short wires and some tupperware containers, seemed to work pretty well.
If you're gonna get one remove the ZeoCarb and replace it with something else, like some filter floss,
also to reduce current stuff a sponge by the outtake, and aim it behind hte filter...
IMO i dont see it picking up the mulm at the bottom of my tank that great, which i have it barebottomed with a good amount of silk plants at the moment, and i dont want to think how messy it will be in a planted tank,
as for media, you could probably stuff some poly wool practically almost anywhere in the filter, and not sure about the chem media as im not keen on it, the sponges they come with are pretty durable like the Aquaclear sponges, so i just give them a good cleaning, whereh te bottom sponge it i stuffed some polyester fabric as a prefilter, then it goes thru both sponges and then into some filterfloss before going out hte filter..
i place my filter low enough so that it would disturb the surface,allowing my betta to create lots of bubblenests.
The filter is pretty good so long as proper maintenance is given, the mulm was a result of me accidentally opening hte filter in the water releasing everything...
so using a gravel vac cleared that right up,
i had another filter in that tank, the whisper 3i, which worked pretty well but the LOUD airpump and the fact that water easily bypasses in that filter is hat i didnt like, if you put your media right in hte stingray, there will be no bypass whatsoever