Magnetic Scrubber for Hard to Clean Containers

Sometimes it can be difficult to clean the insides of containers like vases and fish tanks. Many flower vases have an opening that is too narrow to fit your hand through and a shape that makes it inconvenient to use a brush. With a fish tank, you often have to drain the tank in order to clean the glass. Both of these problems can easily be solved with a simple magnetic scrubber. All you have to do is embed a strong magnet inside a sponge or other scrubbing tool. Then you can guide it with another magnet on the outside and clean even the most difficult to reach places. You could even use this kind of tool to clean the outside of windows.

For step by step instructions, check out the instructable:
http://www.instructables.com/id/Magnetic-Scrubber-That-Can-Clean-the-Insides-of-Va/