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Thread: Help! MP-10 is chopping my shrimp!

  1. #1
    Join Date
    Mar 2010
    Location
    Grand Forks, ND
    Posts
    928

    Unhappy Help! MP-10 is chopping my shrimp!

    The last two mornings I have woke to find 1 or 2 shrimp dead, some with large wounds, one cut in half, below the current of the MP10. They are not directly below, but in the path of the current. I suspect that at night they find themselves swimming into the pump unknowingly where they soon get a serious beat down by the propeller. 6 shrimp in 3 days...no signs of illness or other possible causes. It has to be the pump.

    Would it be bad to shut this down at night? Would plant health suffer from a reduced flow through the lights off period.

    the other thing I'm worried about is shrimp or fish finding their way in when it isn't running and getting the same propeller karate chop when it starts up.

    other suggestions?

    I like using the pump, I see a good flow through the entire tank and would like to continue its use.
    Last edited by ShadowMac; 02-14-2012 at 06:24 PM.

  2. #2
    Use the sponge prefilter they supply with the unit.

  3. #3
    Join Date
    Jun 2009
    Location
    Surprise, AZ
    Posts
    3,210

    Smile Curiosity Killed the Shrimp


    Hi Shawn,

    You are right the problem with shutting it down at night is they will just get in the other side and be chopped or beaten when you turn it on.


    As Tom Barr mentioned, use the filter.

    Or create an exclusion zone, it will not look nice but using a "breeder" net can solve the problem.


    Biollante
    The first sign we don't know what we are doing is an obsession with numbers. - Johann Wolfgang von Goethe

    Disclaimer: I am not trying to make you mad, it is just what I am, an evil plant monster, 'nuf said.

    • I believe the information I am giving is sound, I am not a veterinarian, professional chemist or particularly bright and certainly not a "Guru.".
    • I assume you are of legal age, competent and it is legal for you to acquire, possess and use any materials or perform any action in your in your jurisdiction.
    • When in doubt "don't."

  4. #4
    Join Date
    Mar 2010
    Location
    Grand Forks, ND
    Posts
    928
    I didn't know they supplied a sponge. I didn't get one. Looks like I will order one.

  5. #5
    Quote Originally Posted by ShadowMac View Post
    I didn't know they supplied a sponge. I didn't get one. Looks like I will order one.
    That's what I figured...........they should send them with any pump. Ask and complain, they should send it free, or buy 3 pack and have some extras on hand.

  6. #6
    Join Date
    Jan 2012
    Location
    Vancouver Canada
    Posts
    12
    If its suppled phone them and let them know you didn't receive one. Often times they will honour your purchases missing pieces.
    aka outcast - tpt ; neven - bca

  7. #7
    Join Date
    Mar 2010
    Location
    Grand Forks, ND
    Posts
    928
    Thanks, I will give a call.

  8. If you need one quick fluval carries some at petco/petsmart that fit most.

  9. #9
    Join Date
    Jun 2012
    Location
    Woodstock, Ontario, Canada
    Posts
    92
    Is this particular to the Vortech powerheads, or could I expect a similar problem with a Koralia nano? From the pictures I've seen, the Koralia powerheads seem to have a narrow "grille" around the propeller, except for the hole in the front and I don't see any shrimp being able to get in there while it's on.

    Any thoughts?
    Best Regards,

    David



    It takes generosity to discover the whole through others. If you realize you are only a violin, you can open yourself up to the world by playing your role in the concert.
    -Jacques Yves Cousteau

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