AF Bio Sand 7.5kg AF Bio Sand is a natural white sand derived from the highest quality deposits. It is free of any contaminants and its calcium carbonate content helps to stabilize water chemistry. The latest technology in AF Bio Sand significantly accelerates the maturation process of an aquarium, and allows faster livestock addition in a newly set up tank....

Coral sand PaleoSand Medium PaleoSand coral sand, description and features: Medium PaleoSand sand is made from ultra-pure natural Aragonite of fossil origin suitable for use as a substrate in all marine aquariums. As it is very pure, it is extremely clear and reflects a lot of light, which is a great advantage for...

Coral sand PaleoSand Fine PaleoSand coral sand, description and features: End PaleoSand sand is made from ultra-pure natural Aragonite of fossil origin suitable for use as a substrate in all marine aquariums. As it is very pure, it is extremely clear and reflects a lot of light, which is a great advantage for corals requiring...