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Water Chemistry

Charts, graphs, and diagrams focused on saltwater aquarium water chemistry.
  1. These OXO Kitchen Tools Are Surprisingly Perfect for Saltwater & Reef Aquarium Maintenance & Cleaning

    These OXO Kitchen Tools Are Surprisingly Perfect for Aquarium Maintenance

    Not every useful reef tank tool comes from an aquarium brand. Some of the handiest items for coral care, tank cleaning, mixing, and everyday maintenance started out as kitchen tools, and OXO has...
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  2. How to use a Refractometer to Measure Salinity

    How to use a Refractometer to Measure Salinity

    In the early days of the hobby, we’d use a floating glass hydrometer to measure the specific gravity in our tanks and when mixing up saltwater. The strength of the seawater determines how high the...
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  3. Aquarium Water Parameters Chart

    Saltwater Aquarium & Reef Tank Water Parameters - Acceptable Ranges Reference Chart

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  4. How To Raise pH In Your Saltwater Aquarium

    How To Raise pH In Your Saltwater Aquarium

    Low pH is a common water quality issue with reef aquariums. Here’s what you need to know on how to raise pH in your marine tank.
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  5. How a Kalkwasser Reactor Works

    How a Kalkwasser Reactor Works

    Thinking of a kalkwasser reactor but have questions? This diagram should help you better understand how it works!
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