Revolutionary new magnet cleaner! Only the blades contact the panes of glass or acrylic so all the cleaning power is transferred to the blades. This unique design also prevents debris and gravel from being captured and scratching...
This is a fired ceramic disk that does not need to be soaked before using. No post means they are easy to re-position on egg crate or your frag rack.
The larger size is great for grow-out of your favorite corals.