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hanna

  1. How to Test Calcium in Your Aquarium with a Hanna Calcium Checker

    How to Test Calcium in Your Aquarium with a Hanna Calcium Checker

    To keep your saltwater reef aquarium healthy, you want to maintain optimal calcium levels to ensure the health of your fish and corals. An optimal calcium range (350-450 ppm) is vital for coral...
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  2. Aquarium Salinity: How to Measure and Why It's Important

    Aquarium Salinity: How to Measure and Why It's Important

    https://goo.gl/nLcsnz Keeping an accurate salinity level in your saltwater aquarium or reef tank is crucial to the health and well-being of fish, coral and invertebrate. Today we are going to...
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