Aqua Medic Bactoballs are a the ideal media for biological filtration.
They offer a large surface area of 300m2 on which a high concentration of active bacteria can thrive for perfect filtration.
They are ideal for use in trickle filters, denitrification reactors and great for use in larger set ups.
The flat plate design with clear paths between the plates ensure a very even distribution of water, and means that the Bactoballs will not clump or clog.
Available in three sizes: 5 litre, 15 litre and a huge 25 litre bucket which is great for larger aquariums.