JBL Symec Filter Wool JBL Symec Filter Wool – Filter wool for aquarium filters to remove all types of water cloudiness. Plant and food remains and metabolic substances lead to a deterioration of the quality of the water in the aquarium. Good water quality is necessary for healthy fish and plants. The filters suck in the aquarium water and then remove the pollution and waste materials with the filter material from the water. Put the corresponding amount of filter wool as a last filter stage into the filter. Avoid gaps between the inner wall and filter. You can also use without fear of side effects. No release of pollutants into the aquarium thanks to residue-free wool. Contents: 1 pack filter wool for aquarium filters. Fast removal of all kinds of cloudiness in freshwater and marine aquariums. Quality filter wool for aquarium filters Easy to use: select quantity of wool (suitable for all filters) as required. Insert as last filter stage. Removal required when water flow rate decreases. Crystal-clear water: filters off all types of cloudiness and particles. Although rinsing is possible we recommend exchanging it instead No release of pollutants and fibres – fully synthetic, residue-free filter wool Available in: 100g, 250g, 500g and 1000g Also click here for a wide range of Aquatic Filters we stock!