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Thread: Problem setting up dosing schedule

  1. #1
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    Problem setting up dosing schedule

    Hey everyone I need help setting up my two part dosing I want it to start at 21:00 and to end at 9:00 in the morning but it wouldn’t let me ,saying that it must be later than start time.




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  2. #2
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    You need to create 2 sections.

  3. #3
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    How ?/

  4. #4
    Master Control Freak RussM's Avatar
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    Modify the existing schedule interval so it ends sometime in the morning. Then add a new interval for whatever time you want to start dosing and ending at midnight. Split your total daily dose amount between the two as you desire.

    That being said, you are better off just dosing evenly over the entire 24-hour period.
    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.

  5. #5
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    Thank you I want to dose at night so I have less aggressive ph swings

  6. #6
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by Reef-3.0 View Post
    Thank you I want to dose at night so I have less aggressive ph swings
    How aggressive are we talking here? As long as you pH doesn't vary more than 0.3 from day to night and you remain in the safe range of 7.8 to 8.4 pH swings do not affect growth rate.

    Sent from my SM-G965U using Tapatalk

  7. #7
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    I've been searching for a similar topic but can't seem to find what I'm looking for. I have the DOS and pump 1 is dosing Kalk for the 24hr period running at 7ml rate. This leaves me with 119 individual doses per day. I love that they are very small to have minimal impact on my livestock but this seems a bit overkill. How can I adjust the pump rate and doses per day manually? Is this possible?

    The second head is functioning as an ATO linked to a float switch in my sump. I used a defer statement so that when the switch triggers the DOS it pumps for a minute and a half. All this works fine but the pump is running at a horribly slow speed. Again looking to somehow adjust this?

    Thanks in advance!

  8. #8
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    Quote Originally Posted by sjohnst3 View Post
    I've been searching for a similar topic but can't seem to find what I'm looking for. I have the DOS and pump 1 is dosing Kalk for the 24hr period running at 7ml rate. This leaves me with 119 individual doses per day. I love that they are very small to have minimal impact on my livestock but this seems a bit overkill. How can I adjust the pump rate and doses per day manually? Is this possible?

    The second head is functioning as an ATO linked to a float switch in my sump. I used a defer statement so that when the switch triggers the DOS it pumps for a minute and a half. All this works fine but the pump is running at a horribly slow speed. Again looking to somehow adjust this?

    Thanks in advance!
    How is it programmed? Can you show us the code for the ato head?

  9. #9
    Regular Vistor
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    Head:
    Set OFF
    If FeedD 000 Then OFF
    If Sump_H CLOSED Then OFF
    If ATO_S CLOSED Then PF1

    PF1:
    Dose Rate: 125ml
    Pump Direction: forward
    Per Dose Amount: 100ml
    Dose Intervals: 700
    Dose Count: 2

  10. #10
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    Quote Originally Posted by sjohnst3 View Post
    Head:
    Set OFF
    If FeedD 000 Then OFF
    If Sump_H CLOSED Then OFF
    If ATO_S CLOSED Then PF1

    PF1:
    Dose Rate: 125ml
    Pump Direction: forward
    Per Dose Amount: 100ml
    Dose Intervals: 700
    Dose Count: 2
    Looks like the pf1 profile is dosing 50ml over 2 doses for 11:45?

    Not sure why the two doses? Couldn't you just turn the head to on? It will run at full speed, I believe.

  11. #11
    Regular Vistor
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    I wish that was the case. When ON it does continue to run but at the absolute minimum 7ml setting. Driving me nuts! It all works great now but there is no way for my code to 'check' the status of the switch after running the initial PF1. That's where I am stuck. So if it evaporated a little more or the skimmer was excited and the PF1 doesn't satisfy the switch to open again it never comes back on.

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