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Best suited to seawater basins or aquarium tanks. Guaranteed to be free from pollutants and germs. Ideal for seawater as a substrate or for buffering infiltration systems. Good permeability in calcium reactors. Completely natural gravel for stunning beauty in your aquarium
Will not affect water chemistry or harm your fish. Excellent substrate for natural plants. Provides solid ground for securing accessories such as ornaments. Decorative aquarium gravel natural.