GREAT 1" AQUATIC BIO BALLS: The 1" black bio balls are the suitable size for any aquariums or pond filter system. Made from high-quality materials, our pond filter bio balls are solid enough for years use. Within a particular space in the filtration system, our 1" small bio balls can provide more surface area for beneficial bacteria to grow than large size ones, which helps to keep our water clear.

EASY TO USE AND RINSE: Place them in your filter system and rinse them off periodically to keep them working at their best. The lightweight design of our bio balls makes them easy to handle, and the durable mesh bag that they come with makes maintenance a breeze. Rinsing them in in pond water is recommended.

HOLDS A LOT OF BENEFICIAL BACTERIA: Our bio balls can support a large amount of nitrifying bacteria, which can eat the ammonia and nitrites created by waste to make our pond more clear, ensuring that your aquatic environment remains balanced and clean.

COME WITH DURABLE MESH BAG: Package included 50 pack 1" bio balls and a sturdy mesh bag with zipper. If you use our bio ball in a typical pond, remember to add a stone in the bag or put it on the bag to prevent the whole from floating. With our bio balls, you can enjoy a beautiful and clear aquatic environment without the hassle of constantly cleaning your filter system.

FIT FOR MOST FILTER SYSTEMS: Bio balls can be used in various kinds of filters such as canister filters, sump filters, hang-on-back filters and so on. Rinse the bio balls thoroughly with clean water before use to remove any dust or debris. Open the filter and place the bio balls inside the filter compartment. Make sure that the bio balls are evenly distributed and not packed too tightly. Regularly clean and maintain the filter to ensure that it is functioning properly.