Bio Balls - Blue - 100PCS Light or separate tank with plenty

or separate tank with plenty of gentle aeration

Feeding these catfish is relatively straightforward

keeping your maintenance organised and your nitrogen cycle stable

Biological Filtration: Water flows through bio-balls where bacterial colonies break down ammonia and nitrites into less harmful nitrates

and plant matter

Bio Balls - Blue - 100PCS Light or separate tank with plentyDescription: 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