BiOrb Sand Pebbles Furniture - Bistro 2 Seater Over time their honeycomb structure

Over time their honeycomb structure is populated with good bacteria that neutralizes ammonia and nitrates from the fish

which can make rehousing them sometimes difficult

-Number of red filter foams: 3

Koi can live to be 100 years old or more

BiOrb Sand Pebbles Furniture - Bistro 2 Seater Over time their honeycomb structureAdd colour to the base of your BiOrb Aquarium with these realistic Sand Pebbles. These large Sand pebbles can be used to decorate or cover the BiOrb ceramic media without obstructing the flow of water into the filter. Suitable for all aquariums Enhances Any Aquarium Realistic Easy To Clean Colourful and Dramatic Display Mix with other Plants for a Stunning Display