What`s best for cleaning your aquarium glass

Mag floats are kind of wimpy.  I have had one of these and it was the best thing since sliced bread.

http://www.bulkreefsupply.com/s...eaner.html
I used this every couple days and a 4" razor blade about once a month.

 

This is also what I use. I have been really happy with it. Plus it is safe on acrylic. I haven't had to battle any coralline yet, but I think if I am diligent withdoing a quick swipe of the glass every day I won't have TOO much to worry about.

 

Jeanette,
If it helps, the two you are looking at have the exact same cleaning area. The only difference is the strength of the magnets. in My acrylic 150 the magnet doesn;t feel SUPER strong on the hammerhead. Sufficient, but easy to move. If I had the pirahna, I don't think it would stick at all.

 

Oh, and I need some carbon from BRS. Hopefully others do to so we can get some bulk discount /DesktopModules/ActiveForums/themes/_default//emoticons/biggrin.gif

 

I agree the Mag Floats are awesome at first, and stay awesome for a fw aquarium, but sw aquarium gunk that grows on the tank is much tougher and the mag floats can only get about half of it. For really tough stuff, a simple razor blade works well, like Waverz suggested. I also like using any sort of spongy material to run along the edges of the tank to get the gunk off but not tearing up the silicone

 

http://www.youtube.com/watch?v=BiypASQXoo0
This is pretty impressive and you could just glue it onto your own magnetic cleaner...you wouldn't have to buy their magnet. 
BRS carries them so anyone orders from BRS i would like to order 1 and a package of blades.