Serenity Bio Sponge Filter with Filter Media Chamber - Double SMXY-2826 Ziss Aqua DNA-destroying light emissions at a

DNA-destroying light emissions at a precise 253 nanometer wavelength

Keep ornamental goldfish healthy and brilliantly coloured

In order to ensure the best nutrient absorption

It is best to dissolve the salt in freshwater before use

Serenity Bio Sponge Filter with Filter Media Chamber - Double SMXY-2826 Ziss Aqua DNA-destroying light emissions at aDescription Biological filtration: The Serenity Medium Sponge Filter SMXY 2826 is a biological filter that uses a double sponge and media holder to collect detritus and build up a colony of beneficial bacteria that breaks down harmful waste materials in your aquarium, resulting in a cleaner living environment for your fish. Ideal for breeding & spawning freshwater fish and shrimp Ideal for Discus and Angel fish Telescopic height adjustment Provides