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...

Live reef sand Hawaï black (0.25mm to 3.5mm) When setting up an aquarium with CaribSea's live products please do not rinse the substrate! The susbtrate should be carefully placed on the bottom of the aquarium, and your preconditioned water should be added carefully. Cloudiness will be greatly reduced if a plate or empty bag is used to stop the water being added from disturbing...

Live aragonite reef sand (CaribSea) - Special Grade Reef When setting up an aquarium with CaribSea's live products please do not rinse the substrate! The susbtrate should be carefully placed on the bottom of the aquarium, and your preconditioned water should be added carefully. Cloudiness will be greatly reduced if a plate or empty bag is used to stop the water being...