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    Default CA reactor on a timer pros/cons

    Currently I run my calcium reactor 24/7. It is controlled by a ph controller, but I have been thinking of possibly putting it on a timer and only running it during the "day" (i put day in quotations marks, because i am still not sure if this is going to be only during lights on or for alike a 12-14 hour window). What do you guys think is the pros of running on on a timer versus the cons?

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    Not sure I understand why you would want to do it in the first place. I don’t know of any pro’s. I use a calcium reactor but I have never learned all the chemistry and biology that surely goes on. Given my limited knowledge base, might have concern about non-circulating tank water sitting in reactor for the off hours. I assume you must be trying to manipulate pH by eliminating effluent for some hours.
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    Quote Originally Posted by watchguy123 View Post
    Not sure I understand why you would want to do it in the first place. I don’t know of any pro’s. I use a calcium reactor but I have never learned all the chemistry and biology that surely goes on. Given my limited knowledge base, might have concern about non-circulating tank water sitting in reactor for the off hours. I assume you must be trying to manipulate pH by eliminating effluent for some hours.
    correct, that is the purpose. to help with the ph. Fancy reactors like the datstaco do it automatically with a light sensor.

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    Only downside i see is having to adjust your reactor, I'm guessing you'll need to increase your output during the running hours to make up for the down time. How long after lights out do coral continue to grow? Be interesting to see if you get dips after the reactor shuts off.

    You plan to just shut down the solenoid with the timer, correct? So you still will have water flow through the reactor?

    Do you think it would be harder to adjust (assuming you have a dual pH probe controller) if you set a low pH value for your display that would shut down the solenoid?
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    Correct, just the solenoid would turn off. Im imagining its a lot of trouble and probably wont end up doing it, but was just wondering what the pros were, if anyone knew how effective/beneficial this is.

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    I think you'd have to dose a more concentrated effluent when the solenoid is on to make up for the consumption while the solenoid is off therefore still driving your pH down still.
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    Quote Originally Posted by solitude127 View Post
    I think you'd have to dose a more concentrated effluent when the solenoid is on to make up for the consumption while the solenoid is off therefore still driving your pH down still.
    I have a similar thought, is it worth the trouble

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    If your corals are doing fine with the current pH, I don't see a reason to change.
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    Well I've never really measured ph. Most of my stuff are on timers. Very basic set up.

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    Dont chase the ph numbers Jose. Your corals are doing great.
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    I ended up putting thre co2 on a timer, I have seen a lot more growth and a little better color. I do have a very oversized ca reactor and a 20lb tank. Also started dosing kalk into the ro

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    Quote Originally Posted by joseserrano View Post
    I ended up putting thre co2 on a timer, I have seen a lot more growth and a little better color. I do have a very oversized ca reactor and a 20lb tank. Also started dosing kalk into the ro
    interesting. so when do you have it on/off?
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    Quote Originally Posted by solitude127 View Post
    interesting. so when do you have it on/off?
    Anytime the lights are off. So it comes on half an hour before the lights go on, and turns off half hour before they go off.

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