JBL Sansibar RIVER 5kg
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A light and fine substrate containing black gravel for freshwater and marine aquariums.
Main Features:
• 0.8 mm grain size substrate for freshwater and marine aquariums and zoos.
• Prevents mucous membrane injuries: the natural coarse, round-shaped sand is gentle on sensitive fins. Ideal for digging fish such as rays, loaches, catfish, and others.
• Ideal for fish, invertebrates, and plants: no unwanted pollutants are released into the water.
• Usage: Distribute the substrate over the nutrient substrate (about 6-8 cm for strong plant growth). Very suitable for under-gravel heating cables.