well, since I appearently forgot to post my question, I'll do that now:
The hood for my special 5-gall (btw is filtered by power filter) is incandescant and there is only a small plastic cover protecing it. the other day i foung the hood was soggy wet (cause the filter). Should I be worried...
I've never used any other type of filter in my life. They're easy, quick and they work.
Hang-On filters hang on the back of your tank aand suck out water through a U-shaped tube. Inside the filter chassis, there is a sealed electromaagnetic motor that spins a little propeller called an...
The black sponge is the bio filter, dont clean that unless it gets clogged.
The white bag, you should replace monthly, the company sys to do it along with tha crbon.
you can buy the bio-bgs in 12-packs wich cost around $12. (Assembly required)