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    …below 360 ppm. Instructions Notes: Before commencing with each test it is very important to clean the nozzle (including the tip) of the K-3 dropper bottle with a paper tissue. Even if the nozzle looks clean and dry. Do this by applying a slight pressure on the tissue while cleaning. Do NOT put the…

    $18.81 Regular Price: $

    …within the probe should be replaced every 3 months Dissolved oxygen can easily be manipulated with either air pumps and air stones, aiming return nozzles at the surface of the water, or a water pump that vertically pushes the water to the surface to allow for gas exchange. In a typical reef tank,…

    $749.95 Regular Price: $
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