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  1. #1
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    Exclamation Return pump Mag 9.5 issues

    Hello all,

    My return pump has died and I just got a Mag 9.5 thinking it was a good choice for my 90G with ~20-30G sump. Well when I installed it, given it doesn't have a controller like the previous one, the flow is WAY too strong and the sump is emptying after than the return in the sump...
    I am using the valve to slow the flow but there is then a small leak where the hose attaches to the system and I also read that it is not recommended to slow the flow using a valve as it goes against the pump's work.

    Two questions: can I use the valve and if so, do I need a washer or anything else to avoid the leak?
    Is there a controller I can purchase for this pump? Again didn't find any and read it is not recommended
    Finally is this a good pump at all or did I make a bad purchase here??

    Thanks for your help, need to find a solution before the whole system breaks!!

    Cheers
    90G - Trigger crystal Elite Sump and refugium - Reef Octopus XP2000 cone protein skimmer - 2 Kessil A360we - Vortech MP40

  2. #2
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    I've never had issues throttling a mag pump with a valve, but if you are hesitant just add a "Tee" fitting and a 90 turning back into the sump. Put the valve on the part of the tee that returns to the sump and open it until you get the flow you want.
    -Beau Slaughter

    Sent from my iPhone

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  4. #3
    Supporting Member Diesel's Avatar
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    ^^^^^ second this^^^^^^

    For the small leak you can use a hose clamp, that is if we talking a hose connection.
    I don't regret the things I did wrong............ I regret the good things I did for the wrong people.

  5. #4
    Supporting Member Clownfish Chris's Avatar
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    I have almost the exact setup as you describe. I have had it throttled down with a valve for several months since I broke down the 210. The previous owner also had it set up this way for at least a year. No issues at all.

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  7. #5
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    Thank you all for the insight and advice. That reassured me. Unfortunately this is not at the hose side, just need to figure out how to stop this leak, though it doesn't actually matter as it goes back into the sump anyway. At least looks like it's an ok pump! Thanks again
    90G - Trigger crystal Elite Sump and refugium - Reef Octopus XP2000 cone protein skimmer - 2 Kessil A360we - Vortech MP40


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