what do you guys use to clean algae and other stuff inside the tank glass?
I love em, found mag float brand to be week on a larger tank. These are rare earth magnets and are nicely constructed. Caution is in order, the magent is STRONG and will put a hurting on fingers in the way.fishfry said:nice...how do you like it? I have considered getting the piranha model for my 40 gallon