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Thread: DOS Code for Kalk Dosing

  1. #1
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    DOS Code for Kalk Dosing

    Please help me with the code to dose Kalkwasser in the following way:


    Amount to dose:2400 mL
    Number of doses: 24
    Dose every: 60 min
    Volume per dose: 100.0 mL
    Pump speed: 50 mL/min

    Thanks!

  2. #2
    Frequent Contributor zombie's Avatar
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    Just use the wizard. It's much simpler and will add the kalk very slowly.

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    It is too slow! … 7ml/min

    DOS.PNG

  4. #4
    Frequent Contributor zombie's Avatar
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    How/why is that too slow? Slower is better with kalk because it precipitates substantially and causes pH to spike when added fast

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  5. #5
    Master Control Freak RussM's Avatar
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    Just use the DOS scheduler wizard. It’s much easier and will result in much more frequent and correspondingly smaller individual doses.

    Set it to operate from 0:00 to 23:59 and to dispense a total of 2400ml. Done!
    I'm not a Neptune support rep. Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  6. #6
    Master Control Freak RussM's Avatar
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    Quote Originally Posted by zombie View Post
    How/why is that too slow? Slower is better with kalk because it precipitates substantially and causes pH to spike when added fast
    +1 to this
    I'm not a Neptune support rep. Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  7. #7
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    I have a 200 gallons aquarium (RedSea750), 100 ml of Kalkwasser every hour will not affect the PH

  8. #8
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by JoseWolf75 View Post
    I have a 200 gallons aquarium (RedSea750), 100 ml of Kalkwasser every hour will not affect the PH
    That may be so, but I don't understand the want/need to make your programming more complex for the sake of making it dose faster when there is no benefit IME of doing so. The only way to do what you asked is to use profiles, which is easier to screw up. Using the wizard is idiot-proof simple.

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  9. #9
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    I am worried about the life time of the DOS headers,it seems more efficient to me that they dose each hour for two minutes thanevery 13 minutes for 4 minutes.

  10. #10
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    This is the code:

    tdata 00:00:00,1,21,0,218,3,12,110,0,238,2,28,13,0

    What do I need to change? Let's go guys!

  11. #11
    Master Control Freak RussM's Avatar
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    Quote Originally Posted by JoseWolf75 View Post
    I am worried about the life time of the DOS headers,it seems more efficient to me that they dose each hour for two minutes thanevery 13 minutes for 4 minutes.
    Slower speed is better for the service life.
    I'm not a Neptune support rep. Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  12. #12
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    Ok I give up
    Thanks for the help

  13. #13
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by JoseWolf75 View Post
    I am worried about the life time of the DOS headers,it seems more efficient to me that they dose each hour for two minutes thanevery 13 minutes for 4 minutes.
    The DOS head service life is based on two things because it uses stepper motors. Stepper motors are not affected by the number of start/stop operations like your typical submersible pump is.

    1. Total volume used

    2. Heat (large fast doses cause more heat)

    If you want to maximize their life, slower is better.

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  14. #14
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    I found a way to do it

    I set up 24 intervals of 100ml each

    Each dose is done as follows:

    DOS Kalk Dosing.PNG

    Dosing 100ml at 60ml/min the PH increased from 8.04 to 8.05 in my 200 gallon aquarium

  15. #15
    Master Control Freak RussM's Avatar
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    Doing it that way has no tangible benefit but adds much unnecessary complexity. For example, when the time comes to adjust the total daily volume, it’ll be a tedious task to modify all those intervals. If you did it the way zombie and I suggested, it’d just be a single simple & quick change.
    I'm not a Neptune support rep. Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

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