Yes, it's for biological filtration.. I'm not sure where to get poret foam but I've seen something similar..for what? biological or particulate? bio I'd probably go poret foam.
I would start with getting the electrical off the floor buddy
H]-[H;6722261 said:What's wrong with that?
Ah, yes.. That makes sense.. I wouldn't worry bout splashing cause the top is shielded by overhead filter..death.
water splashing on electrical is a very bad thing.
all the media I listed is expensive to start, but after 10 years of use it won't seem so expensive.