Dupla - Aquarium primer - 4.0 - 5.0 mm, 20 kg

Ultrapure natural aragonite of fossil origin as a substrate for all marine aquariums. Due to its purity, extremely bright with high light reflectivity, which is a particular advantage for light-hungry corals. Reef Ground is an exclusive alternative to natural coral sand and protects the environment. Before placing in the aquarium, rinse the substrate thoroughly.