10mm Coral Sand 25kg.

Marine Sand can be used with a standard undergravel filter or power filter or just used has a substrate in the aquarium. When using undergravel filtration, there should be between 2 1/2" - 3 1/2" inches all-round coverage, which equals approximately two bags per square foot of aquarium base. Tropical Marine Sand should be lightly rinsed in fresh water before being introduced to the aquarium. Suitable for freshwater and marine aquariums.

25kg bag Clean coral sand carefully collected for marine aquarium use.