| http://www.w3.org/ns/prov#value | - We may start with aged tap water and add marine salt (if we are setting up a saltwater setup), but then we add all kinds of other things, such as Florida or Fiji live rock (it???s called live rock because its swarming with all kinds of minute critters, including some hitchhikers like mantis shrimp that can decimate the ???native??? fauna in our tanks); fishes, corals and other invertebrates, often
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