Ocean rock is ideal for marine tanks, hard water systems, hard water cichlids, brackish and cold water due to its buffering capacity. It will help naturally buffer the water. Is a natural alkaline rock.
The stone comes from Philippines. It's not a live rock.
The picture provides a guide only, all stones are unique pieces. This product will raise your ph, giving an alkaline reaction
If you are based in the USA please visit our partner's website for $$ prices and shipping from New York based warehouse