Kirby Coral Bones 20mm

Average size per piece is around 20mm. Great for all aquariums require a higher pH and also great for use in filtration systems.
Great in aiding marine aquariums with
-Alkaline
-pH Buffer
-Rich Calcium, Carbonate and trace element content
-Natural and aquarium safe
-Does not contain harmful chemicals
-Porous body structure
-Encourages propagation of beneficial bacteria
-Highly effective alkaline buffer due to natural aragonite content
-Calcareous algae, shells and coral fragments
-Gradually dissolves, introducing calcium into the water. Aids in maintaining healthy GH levels.
-Gradually dissolves, introducing calcium into the water. Aids in maintaining healthy KH levels.