is the ideal process of mechanical and biological treatment of water
-filtrovochnaya sponge is made from high quality non-toxic and dense material
, the structure of the sponge is a porous maze, promoting colonization of beneficial bacteria involved in important biological processes;
sponge-structure remains unchanged after long use;
-allows an additional supply of oxygen and thus improve the circulation of water
, easy to navigate and easy to use,
easy-clean;
-for aquariums up to 100 L