Color:Multicolor Features: Aquarium biological media is nitrate factories without mechanical filtration.Bio ceramic rings are used to keep your bacteria colony to convert ammonia from waste to nitrites and nitrites to nitrates. Bio balls can remove odor, colors organic pollutants . And it can remove toxic compounds, medications. Bio balls do not require replacement unless damaged or destroyed.In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired. Specifications: Color: Mixed color Material: 6 species filter material in one pack Biological ball Glass ceramic ring Infrared respiratory ring Infrared bacteria house Infrared bacteria ball Nano bacteria house Package included: 1 Pack Filter Material（500 g） + 1pc Filter Bag(the mesh bag is black or white) Warm use tips: It is very important,before use it,must rinse with clean water first. Notice: Please allow 1-5 g error due to manual measurement. Because of temperature and humidity, this bio balls might have chance change the color sometimes,but the function totally the same.Customer service: We pays great attentions to the shopping experiences from the customers. If you have any problems with our items or services, please feel free to contact us first. We will do our best to solve any problems and provide you with the best customer services.
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