Bio Ball | 26mm | Pack of 25

• Suitable for all type of aquariums.
• 10 pcs of high quality Bio Balls of 26mm diameter.
• Practical and durable home using product.
• Bio balls do not require replacement unless damaged or destroyed.
• The bio balls provide biological filtration, removing toxic ammonia and nitrite.

Plastic construction with high performance stuffing Fish tank filtration Black bio-balls. This is a super bio-ball with sponge inside. It can not only provide the maximum surface area for nitrifying bacteria growing, but also promotes gas exchange and upgrade oxygen level. 【PERFECT FILTATION】 Aquarium Filter Bio Ball that helps clean your water naturally, beneficial to oxidation of oxygen convection exchange, and for reproductive growth of nitrifying bacteria with a huge biochemical surface area. 【MAX SURFACE AREA】 Bio-sponge inside provides more surface area for growth of beneficial Bio-spiral bacteria. Many flake structure, internal porous, great for any freshwater or saltwater. 【BETTER EFFECT】 The bio ball is idea for external and pressurized filters in aquarium tank, pond filter and fish farm water treatment. 【SAFE FILTER MEDIA】 Good to use in different type of filters, encourages growth of biological colonies, more capacity than most biological filter media, reduces and controls harmful ammonia and nitrate. 【PERFECT SHAPE】26mm in diameter.