Bio Balls - Blue - 100PCS Light it’s highly advisable to supplement

it’s highly advisable to supplement their nutrition with algae and/or meat-based wafers and fresh vegetables such as cucumber and zucchini that have been blanched for safe consumption

keeping your maintenance organised and your nitrogen cycle stable

they generally coexist harmoniously with a wide array of fish species

including tetras

Bio Balls - Blue - 100PCS Light it’s highly advisable to supplementDescription: Biological filtration is the most important stage of any aquarium, sump or pond filter. It's where beneficial bacteria colonies convert toxic ammonia into nitrite, and nitrite into the far less harmful nitrate, a process known as the nitrogen cycle. For that to happen efficiently, those bacteria need somewhere to live, and that's exactly what bio balls provide. Each 16mm blue bio ball is designed to maximise surface area in a compact