Hanna Marine Low Range Nitrate Checker® HC - HI781

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  • Regular price $149.99
  • Will be in stock after
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The HI781 Checker®HC (Handheld Colorimeter) is a simple, accurate, and cost-effective way to measure nitrate from 0.00 to 5.00 ppm (as NO3–) in your saltwater aquarium. For samples containing 5.0 to 50.0 ppm nitrate, follow the approved dilution procedure.



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