How to Make a Magnetic Fish Tank Cleaner
Sometimes it can be difficult to clean the inside of containers, such as vases and fish tanks. Here we explain how to make easily at home a cleaner for vases and fish tanks. Many vases have an opening that is too narrow to insert the hand and a shape that makes it impossible to use a brush. In the case of fish tanks, you often have to empty the tank in order to clean the glass. Both problems can be easily solved with a simple magnetic brush. Take a look at this OneHowTo tutorial to learn how to make a magnetic fish tank cleaner.
The first thing you need to make a magnetic fish tank cleaner is a sponge or cleaning tool for this use. The sponge can be of different roughness, the important thing is that it is new and has not been used before.
You will also need a powerful magnet that will be able to firmly hold the sponge to the inner wall of the container. These are widely available in hardware stores.
First, cut the sponge to make it a little bigger than the magnet. You need the magnet to fit inside the sponge but avoid it being too large.
Use a sharp knife to cut a slot in the side of the sponge. This slot is large enough to fit the magnet. Take care to not cut the sponge from side to side.
Insert the magnet into the sponge. Now you have a simple magnetic sponge. You need two of these, so repeat the previous steps to make a second one.
Place one of the sponges on the outer wall of the container and then place the second one inside. They should be attracted towards one another and therefore stand still against the container's side. Then move the sponge on the outside and inside one will follow.
If the inner sponge is released just move the outer one near to it to catch it again. The only problem is that the magnet can sometimes escape through the slot. One solution is to sew the opening to hold the magnet in place.
All you have to do is embed a powerful magnet inside a sponge. Then you can guide it with another magnet on the outside and clean even the places that are most difficult to reach.
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