Sera-Gravel Blue 2-3mm 3L

Sera Gravel Blue is vibrant blue gravel with a grain size of 2–3 mm, perfect for both freshwater and marine aquariums. It is neutral and CO2 proof, meaning it won’t affect water parameters or color, making it ideal for plants and bottom-dwelling fish like catfish. This gravel is safe for sensitive aquatic life, as it is pollutant-free and independently tested.

Key Features:
‣ Blue colored gravel with 2–3 mm grain size
‣ Neutral and CO2 proof, no impact on water parameters
‣ Supports healthy plant growth
‣ Rounded grains suitable for bottom-dwelling fish such as catfish
‣ Independently tested, pollutant-free and safe for sensitive animals
‣ Suitable for freshwater and marine aquariums
‣ Available in 3L and 6L packs