Light, fine substrate With black pebbles for freshwater and marine aquariums.
• SubstrateWith 0.8mmgrain size for freshwater and marine aquariums and terrariums.
• Prevents injuries of the mucous membrane: coarse-grained, round-shaped natural sand isgentle on sensitive barbels. Ideal for digging fish, such as rays, kuhliLoarch, catfish, etc.
• Ideal for fish, invertebrates and plants: no unwanted pollutants released into theWater.
• Use: Spread substrate on top of the nutrient substrate (approx. 6-8cm for vigorous plantgrowth).Well suited for undergravel heater cables.