Marina i25 Internal Filter (25L, 100L/h) Biological Each box will contain a

Each box will contain a mix of rock sizes

These aquariums come complete with a fully pressurized

Versatile accessories

Good colonisation conditions for bacteria cultures

For this size aquarium

Marina i25 Internal Filter (25L, 100L/h) Biological Each box will contain aMarina i25 is a compact yet powerful internal filter that easily installs into any tank up to 25L using secure suction cups (included). The i25 comes complete with a specially designed Power Cartridge that provides effective 3 stage filtration mechanical, chemical and biological. Unfiltered water enters the centre of the cartridge and flows through the zeolite chamber, where toxic ammonia is removed. The water then enters the second chamber, which