If you’re like most pet owners, you probably clean your aquarium filter at least once a week. But how do you clean it without killing the bacteria that helps keep your fish healthy? There are a few ways to clean your aquarium filter without harming the bacteria. You can use a water change to get rid of any built-up debris, or use an aquarium vacuum cleaner with a hose attachment. You can also soak the filter in a bucket of water with some baking soda added for about an hour. Finally, you can use a siphon to suck out the debris and then rinse the filter with fresh water. ..