Marine sands PaleoSand Aragonite marine sand - Aquarium Systems €20.87 PaleoSand Aragonite marine sand Extra-pura natural Aragonite of fossil origin, usable as substrate in all marine aquariums. It reflects light well, bringing a great advantage to corals that need it particularly. Excellent alternative to natural coral sand. CaCO3 99.2% MgCO3 0,4% Feo3 0.035% Visualizza