NorthFin Kelp Wafers Formula Premium Fish Food FishCMType_Cleaning Brushes Sponge filters have been around

Sponge filters have been around for decades and there's a reason these filters are so popular

thick walls

Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines

it is specifically designed for freshwater fish

NorthFin Kelp Wafers Formula Premium Fish Food FishCMType_Cleaning Brushes Sponge filters have been aroundNorthFin offers premium Kelp Wafers. Unlike algae, kelp is premium grade seaweed. Kelp supplies your herbivore fish with 60 minerals, 21 amino acids and 12 vitamins. It also contains nitrogen, potassium and micronutrients your fellow grazers need to stay healthy. Available size : 14 mm Type : Slow sinking wafer Recommended for : For all types freshwater and saltwater, herbivore and omnivore fish. Available Sizes: 100 g 250 g 500 g 1 kg 2. 5 kg