JBL Sansibar RIVER 5kg

Light and soft substrate with black gravel for freshwater and marine aquariums.

Main Features:
• Substrate with 0.8 mm grain size for aquariums and marine and freshwater terrariums.
• Prevents mucous membrane injuries: Natural sand with coarse and rounded grains is gentle on sensitive spines. Ideal for drilling fish, such as ruffians, larch, catfish, etc.
• Ideal for fish, invertebrates and plants: no unwanted pollutants are released into the water.
• Usage: Spread the substrate over the nutrient substrate (about 6-8 cm for vigorous plant growth). Well suited for undergravel heater cables.