![Aquarium Oyster Shell 500g Aquarium Oyster Shell 500g](https://petstop.co.nz/image/cache/catalog/oyster-shell-11687-550x550w.png)
Aquarium Oyster Shell 500g
Oyster shell helps to raise water hardness in aquariums to maintain a stable KH which in turn helps to keep a stable pH.
Can be used in aquariums over short or long periods of time
Oyster shell helps to raise water hardness in aquariums to maintain a stable KH which in turn helps to keep a stable pH.
Can be used in aquariums over short or long periods of time
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