Used in a bio-filter as a medium to nitrify ammonia. Due to its porosity it is very suitable to this important task in aquatic systems.
Hydroball is a loose lightweight ball made of a baked clay hence is perfect for hosting roots of plants particularly orchids.
Hydroball in jars and in containers makes a beutiful showpiece and can look rather attractive on a table. Great for pot plants.
Hydroball can be used in building. Is very light, has great thermal and sound insulation properties and was invented for this purpose.