For the heater, I am pretty sure Ebo Jagger is the recomended brand. As far as the mags go, I use a Mag-Float, it's really great as long as you get in the habbit of using it every day or two. I prefer the mag float because if it gets released, the end in the water floats so I don't have to reach to the bottom of my tank and get it. Yeah, I know, Lazy