Product Description: 1.100% Brand new and high quality. 2.Specially designed for aquarium and pond filter media,it can cultivates nitrifying bacteria. 3.Promotes gas exchange,increases dissolved oxygen level and removes harmful gases, ensure the filtration system operates at optimum performance. Feature: 1.Material:Plastic 2.Diameter:16mm,26mm,36mm,46mm,56mm,76mm 3.Color:Black Include: 1x Biochemical Balls For large quantities, please contact us, thank you.
Trustpilot
3 weeks ago
1 day ago
