Used to use one and it works well as long as you keep it clean. If your using it in a SW tank than It will get coated with coraline and algae so it's a must to clean it every week or two to keep it functioning properly.
Oh and WELCOME TO THE BOARD!

__________________
No matter what the morrow brings, inventors keep inventing things.
-----------------------------------
Jonathan
-----------------------------------
www.cakerybakery.ca