Sansibar River 10kg – mixed substrate
Rounded, coarse-grain 0.8 mm sand substrate in a 10 kg pack, intended for freshwater and marine aquariums…
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This 10 kg bag of 0.8 mm rounded sand suits keepers of bottom-dwelling fish, burrowing species and reptiles who need a substrate without sharp edges. It can be used in freshwater and marine aquariums as well as in terrariums, and it is also meant as the top layer over a nutrient base for planted tanks.
Why it matters
- The 0.8 mm grain is rounded and coarse enough to protect the delicate barbels of fish that feed on the bottom.
- Burrowing animals such as rays, spiny eels and catfish can dig and search for food in it without being cut by sharp particles.
- The manufacturer states that the sand releases no harmful substances into the water, which matters for fish, invertebrates and plants.
- It is compatible with underfloor heating cables and heating mats, so it can be used over heated substrates in terrariums.
Specifications
- Grain size: 0.8 mm
- Net content: 10 kg
- Weight: 11 kg
- Layer for planted tanks: approx. 6–8 cm over a nutrient substrate (for strong plant growth)
- Preparation: rinse briefly with tap water before use to remove dust from transport
What it works with
Use it as a bottom layer in freshwater and marine aquariums with bottom-dwelling or digging fish, invertebrates and plants that need a firm substrate, with a nutrient base such as JBL AquaBasis beneath it. In terrariums it serves as a bottom layer over heating cables or mats, and the manufacturer notes it poses no risk to reptiles.
Technical specification
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Frequently asked questions
The substrate is coarse-grained (0.8 mm) and rounded, with no sharp edges, so it is meant for burrowing fish such as stingrays, cichlids and catfish. The rounded grains help protect the sensitive barbels and mucous membranes of bottom-dwelling fish.
Spread it over a nutrient substrate in a layer of about 6–8 cm for healthy plant growth. The roots can grip the substrate firmly, which supports strong growth.
Yes, rinse it briefly under tap water to remove the dust that forms from friction during transport. This keeps the water clearer when you first set up the tank.
Yes, the substrate is suitable for use over under-gravel heating cables and heating mats. It works in both aquariums and terrariums.
The manufacturer states that it does not pose a hazard to reptiles. It is also intended for terrariums, not only aquariums.
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