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Thread: Vent tube length

  1. #1
    Join Date
    07.07.2020
    Posts
    6

    Default Vent tube length

    Hi, I’ve just moved over to GHL and having been setting up the KHD, still learning and calibrating many times to get consistency and close to my own dkh tests.

    My sample tube length is 81cm, but I have my waste and vent tubing going to a sink (maybe 3m) so I don’t have to empty containers. I know the instructions says that the vent tube must be above the liquid level of the waste container, but does it matter if my vent tube is very long and water remains In the tubing after the measurements are completed?

  2. #2
    Join Date
    27.05.2015
    Posts
    2,488

    Default

    The 3m distance will not a be problem as long as the tube is headed downwards.

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