Bio-Ring Small Excel is selected for its large surface area of 1000 m² per 100 gram.
This product offers optimal work space for nitrifying and denitrification of bacteria.
Bio-Ring Small Excel is most effective in aquaria with small fish or those with invertebrates and small fish ranging from 4 to 9 cm.
|0,6 L||1,2 L||2,5 L|
|AN BRS 07 540||AN BRS 07 542||AN BRS 07 544|