Jbl Aqua Gris Grainy Soil Substrate Jbl Sansibar Size 1

Substrate from sol with 0.8 mm grain size for freshwater or saltwater s and s Avoid injury to mucous membranes: coarse, rounded sand protects the sensitive barbels of bottom-dwelling fish. Ideal for digging fish (rays, kuhlis, catfish, etc.) Ideal for fish, invertebrates and plants: no release of undesirable harmful substances into the water. Use: place substrate on sol nutrient (approx. 6-8 cm for good plant growth). Suitable for heating cord. Contents: 1 bag of Sansibar River