Marina Decorative Aquarium Gravel, blue; available in different sizes.

Create a wonderful Aquascape in your aquarium with Marina blue coloured epoxy coated gravel. The epoxy coating makes the gravel inert and prevents the gravel from having any effect on water chemistry. Research shows epoxy coated gravel provides an optimum surface for the colonization of beneficial bacteria for biological filtration. For fresh water and saltwater aquariums. The size of the individual gravel pieces is 4 - 7 mm (0.15 - 0.3 "). Dust free and available in 2 kg (4.4 lb.) and 10 kg (22 lb.) bags.