Croci amtra Glax Stone Ultra 1000 ml, aquarium Biological Filtering Material

• Sintered glass
• Strong filtering power
• Sintered glass, great power filter

Description 'Amtra glax stone Ultra is a new generation of filter medium, distinguishes itself through its high power filtering. A Litre Of Product has a surface Useful to 600 sq. m for the location of useful micro-organisms to organic Auto Cleaning. Because of the large area and the high Dimensions of cavity (10 to 500 µm), this material is ideal for purifying water of the aquarium, it will relieve not only ammonia and nitrites but will promote the delicate process the disposal of. The Purification process made possible by glax stone Ultra is full it also includes Aerobic cycle (in the outer zone) and anaerobic (in the inside).