| http://www.w3.org/ns/prov#value | - High-purity powdered strontiumIncorporated by corals, clams, and other reef-buildinginvertebrates into aragonite, the mineral that is secreted asskeletal materialStronger and more economical than liquid strontium solutions;created for hobbyists maintaining multiple reef aquariaFormulated by a marine scientistIt is recommended that the strontium concentration in the aquarium be determined by using
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