How to use: Step 1: If the product you received is sucked on both sides, it is necessary to rotate the two brushes at 90 degrees and separate them because the magnetic force of the product is too great to avoid injury. Step 2: Put a piece of fish without a handle into the aquarium, and place the brush with a handle outside the aquarium so that the two surfaces are drawn together. Step 3: Start moving the outer magnetic brush to clean the aquarium tank wall. Step 4: After use, you can put the brush in the aquarium. The brush is waterproof. Just absorb it on the glass without worrying about damaging it. The magnetic brush adopts a floating design, and the magnetic brush in the fish tank will float on the fish tank for easy removal. Contents: 1 magnetic aquarium cleaner.