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    First Photos of Elos PO4 Expert Line Chart

    You’re looking at the first image of the finalized Elos Expert Line Phosphate (PO4) Test Kit “resolution chart”. The colorimetric based kit  [h/t Sev] uses two test tubes, one of which is a control, that are slid into the simple foam folder. To find the actual measurement the user then looks directly down the tubes […]

    Fauna Marin’s New Precision Alkalinity Test Kit

    With the importance of alkalinity levels, paritcularly in ultra low nutrient systems, Claude at Fauna Marin has created a new alkalinity test kit touted as simple to use and precise. They’ll be landing in the U.S. in the next few weeks, likely to hit retail stores next month. This is the second test kit from […]