Sera Gravel Black 2-3mm 6L MMswag UV Index values are approximate

UV Index values are approximate and can decrease by 30-40% when the UVB bulb is positioned over a mesh screen

a robust 200-watt device designed for both freshwater and marine aquariums up to 200 liters (55 US gal)

and trace nutrients for daily nutritional balance

and more vibrant colors

is designed to prevent new tank syndrome by quickly establishing a biofilter in freshly set-up tanks

Sera Gravel Black 2-3mm 6L MMswag UV Index values are approximateSera Gravel Black 2 3mm 6L is a premium aquarium substrate designed for a natural and stylish tank setup. This high quality black gravel, with a grain size of 2 3mm, is ideal for creating a striking contrast with vibrant plants and fish. It is safe for aquatic environments, ensuring no harmful substances are released into the water. Perfect for both freshwater and marine aquariums, this 6 liter pack provides ample coverage for your tank base. Purchase