Amtra Fine Black Ceramized Quartz 1,6 2Mm, Natural Background for Freshwater Aquariums

Background material for freshwater aquariums: decorative substrate specially selected to recreate a natural background in aquariums Natural: thanks to this substrate you can set up your aquariums in a safe way; non-toxic to fish, invertebrates and plants; does not release carbonates; colored with natural pigments Usage: for fresh and sea water; arrange an indicative layer of 4cm in the front part and 7cm in the rear part, creating a difference in height that gives depth to the vision of the pool Grain size: 1.6-2mm; rounded granules safe even for fish that like to dig in the bottom such as corydoras Format: 5kg