These large solid marble pebbles can be used to decorate or cover the ceramic media without obstructing the flow of water into the filter. White for spiritual and moral purity
The biOrb HALO 30 has two versions of LED lighting. A standard version has a biOrb LED light above the bubble tube. The halo version is fitted inside the lid as a ring of LED lights to give the contents of the aquarium a real 3D appearance. At night
