Fresh Water 

 Filtration
Ceramic Basic Bio-Ring
Small Excel
Bio-Ring Large Excel
High quality ceramic with a very rough surface offers optimal work space for nitrifying and denitrification of bacteria Bio-Ring Large is selected for large area 600 m² per 100 g
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Zeolith Excel Bio-Chip Bio-Ball
4-in-1
A zeolith with a cation exchange range of over 170 meq / liter Bio-Chip is a unique and especially developed filtermedium Bio-Ball 4 in 1 is a filtermedium that performs 4 functions
 
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