WZYTEU 100 pcs Bio Balls, 26mm Biological Filter Media Water Filter Material with Cotton for Aquarium Fish Tank Pond (Black, Give away 2 Filter bags)

• Eco-friendly Material: Bio-ball are made of non-toxic plastic which will no harm to your fish, Great help to restore the natural water quality, and provide the most suitable living environment for your fishes.
• Large Volume: Bio ball Diameter: 26mm / 1Inch, Strengthened the effect of filtering bacteria, lightweight and easy to carry. The filter balls offer a large area for bacteria and thus achieve a very high efficiency for natural biological filtration.
• Function: Great help to restore the natural water quality and provide the fish with the most suitable living environment. the organic sponge inside offers more area for the growth of useful bio-spira bacteria. The huge surface area of these filter rings allow beneficial bacteria to colonise, and biologically filter your aquarium water - removing ammonia and nitrite.
• Principle: The Bio Media Balls is to let the water flow through the space that is distributed in the internal zigzag, to prolong the flow of water, and to add the nitrifying bacteria attached to the multi-column structure to achieve the effect of biochemical filtration. The bio balls for aquarium help produce turbulence, aiding in the critical gas-exchange process that is needed for successful biological filtration.
• Wide Application: Our biohome ultimate filter media can be used not only in biochemical filtration systems in seawater, but also in biochemical filtration systems in freshwater, perfect for using as fish tank bio filter media, aquarium filter media, pond filter media. And for tropical fish farms, koi ponds, waste water systems, etc

Product description Specification: Item Type: Aquarium Filter Material Material: PVC + Sponge Color: Black Diameter: 26mm / 1Inch Quantity: 100 Pcs Bio Porous Filter Biochemical Ball, 2 Pcs Aquarium Media Filter Bag Feature: 1.These bio balls provide large amount of surface area in a small space where lots of beneficial bacteria can form on the surface. These bacteria can help convert and remove toxic waste like ammonia and nitrites in your tank. 2.These filter rings are packaged in mesh filter bags - allowing easy cleaning when inside your filter. Use with Filter, Multi-Faceted Surface Area for Support of Biological Filtration.The filter of each aquarium is limited, and the filtering space for placing biochemical balls is not too large, but it is the function of biochemical ball to make up for the lack of filtering space. 3.Bio balls are the filter media for use in freshwater and saltwater wet/dry systems. Bio-Balls help produce turbulence, aiding in the critical gas-exchange process that is needed for successful biological filtration. Great for fish tanks, tropical fish farms, koi ponds, waste water systems, etc. Pack includes: 100 Pcs Bio Balls 2 Pcs Filter bags Note: 1)Warning: the product are small parts, keep away from children and kids. 2) Product colour may vary slightly from picture. 3) This item size information is just for reference only, and allow 0.1-0.3cm differences due to manual measurement. Please confirm the product specification before purchasing. We within 24h online answer to your any questions. If your have any product issues, please do not hesitate to contact us.