Acroporock 15 - útes střední velikosti, sada (15ks)
Porosity. These open-structured rocks with cavities, fissures and many other smaller openings provide shelter for a varied micro-fauna.
The porosity enables a great deal of bacteria and micro-organisms to flourish and the whole arrangement becomes a filtration medium (similar to those used in filters).
Close up view:
- Enlargement of the section of a rock corresponding to 5 cm.
- One can see fissures, going deep into the rock and connecting with a net of cavities of 100 up to 500 µ.
- These cavities are themselves perforated with pores from 20 to 100 µ.
- Purifying bacteria (1,2 to 1,5 µ) can thus develop into the heart of the material with a good supply of substances to absorb.
Description:
- Live rock function, neutral, for fresh and sea water.
- Mixed stones to build decors.
- Big decors can be made with silicone be strengthened.
- To use with plates.
Specifications:
- Dimensions: W: 60 cm D: 35 cm H: 35 cm
- Weight: 7.5 kg
