Brooklands Aquarium Oyster Shell 500G

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Brooklands Aquarium Oyster Shell 500G
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  • Crushed 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
  • It is advisable in fresh water aquariums to place the grit in a nylon filter bag so it can be easily removed once the level required is achieved
  • 500g