D D The Aquarium Solution Seawater Refractometer

D D The Aquarium Solution Seawater RefractometerDescription: D D The Aquarium Solution Seawater Refractometer is accurate and easy to read giving true salinity reading. Almost all, if not all, of the refractometers currently available to the aquarium hobby are designed for measuring saltwater (sodium chloride or brine solution) and not true seawater. Although seawater is mostly sodium chloride it also contains other elements such as magnesium and calcium that change the refractive index slightly

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AF Energy has been enriched with a copper sulfate

laminated colour card

Pricing and Availability:

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