Serenity Sponge Filter Large CHILLER/FANS as well as a fruit

as well as a fruit & vegetable extract

or any food you want to dose into your tank but don't want to see go right over the overflow

Battery Type: 2 x D

Using the natural power of marine biopolymers

Serenity Sponge Filter Large CHILLER/FANS as well as a fruitSerenity Sponge Filter Large Serenity Sponge filters are a biological filtration that builds up a colony of good bacteria that breaks down the ammonia and nitrite as water passes through them and also collect detritus to help keep a clean aquarium. Uses air via a uplift system to draw water through the sponge. A low wattage air pump using air system and doubles oxygenating the water. Simply connect to a air pump (Sold separately). Biological