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Thread: some can help me with program calcium reacor

  1. #1
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    some can help me with program calcium reacor

    hello freinds
    i have apex 2016
    i program calcium reactor like that:
    Fallback OFFSet ON
    If pH < 6.70 Then OFF
    and the check valve get crazy i have this company valve: Up Aqua CO2 Regulator with 2 Gauges and Adjustable Valve
    my ph in tank in day 8ph in night 8.1-8.2 ph
    and with this program what heppend when ph get to 6.7 the check valve is open after few minutes its down to 6.68 and check valve is close and this work like that all day
    check valve work few minute after that close again open again close
    can you please help me give me good program i dont have a lot of sps or corals just 30 corals in 450 liter tank and i corals not take many of
    Values i work on my calcium reactor on minimum values only 6 drops
    thank for advanced

  2. #2
    Frequent Contributor zombie's Avatar
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    With that style of regulator you need some hysteresis like you would have with a heater. Start with this and see how it works. Replace pH names to match how yours is set up.

    Fallback OFF
    If pHCal > 6.75 Then ON
    If pHCal < 6.70 Then OFF
    If pHCal > 8.1 Then OFF
    If pHsystem < 7.8 Then OFF

    You might be an engineer if...You have no life and can prove it mathematically.

  3. #3
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    i try thank you

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