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Auto top up?

Discussion in 'Help and Advice' started by afeltham, Jul 21, 2017.

  1. afeltham

    afeltham Registered

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    Okay. Tonight's job is installing an auto top up. Nice little device. ( TMC V2 )

    However, I can't see how it'll work in this tank ( see photo ).

    It's a nice large section so you can keep lots of water in it ( I assume ) however isnt it always going to siphon? The water level will always be higher than that of the level by the return pump.

    Of course I could put less in the reserve tank but that seems to defeat the point.

    Is it just me? Anyone else got got a eaReef 900s?

    [​IMG]


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  2. merser

    merser Registered

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    So long as the end of the tube is higher than the top water level it cannot siphon. I effective have the same thing with a tall container next to my reefer. I had to attach the end of the pipe to the top of a reactor to make sure it didn't siphon. Works like a dream though.

    Be careful with the tmc, they have great form for failing. Personally I would never touch a float switch again. They just break ALL the time. Gordon at [MENTION=12861]reefloat[/MENTION] does a cracking infra red sensor atu if you fancy an upgrade.

    Jamie


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  3. afeltham

    afeltham Registered

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    Okay. Thanks ks for the tip about the TMC.

    As an idea, what are people's thoughts on putting a digital socket timer on the plug for the auto top up? With that in place I could set it to only come on for 5 minutes each day and at a time im around to watch it or notice if it overflows.

    Ta


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  4. merser

    merser Registered

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    If you're worried about it over flowing you may be better just setting it up as normal and having only a couple of litres in the reservoir. That way if (which I think is unlikely) the system somehow fails, you will only dump a relatively small amount into the tank.

    Adding a timer switch - which are again ridiculously unreliable ime- just complicates the system. You'd be as well just turning the power on when you're around rather than a timer.

    Jamie


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