Okay. So I have a 10gal fish tank, with a filter, heater, thermometer, and...the head lamp thingie. I'm brand new to aquarium-stuff. Basically, I have little idea what I'm doing. Yes, I know, darn them rash 20-year-olds (ie, me).
I have three black skirt tetras in my tank. My Mom has a 29gal...