This submerged ball is made of non-toxic and eco friendly transparent plastic and contains natural mineral balls. These balls house beneficial bacteria and continuously release a variety of minerals and trace elements that are beneficial to fish and shrimp.
It is suitable for making Moss Balls and cultivating other aquatic plants.
Spiral structure, easy to install and disassemble. Note: The sinker ball consists of two parts, one is a grid and the other is a sinking ball. When separating the grid from the sinking, be sure to twist the sinker ball counterclockwise, otherwise the grid thread will break.
Measurements 5cm x 2.7cm approximately.
Plants/seeds not included.