HOB Refugium - Weight - Long Term Dangers?

Discussion in 'General Equipment, Hardware, Filtration' started by Leko, Mar 8, 2018.

  1. Leko

    Leko New Member

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    Hello all,

    I'm thinking about using CPR HOB Refugium - size medium - for a 75 or 90 gallon glass tank. Is there any danger from this weight hanging on the tank side over time?


    Are there any seal failures known to be caused from HOB Refugiums?


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    PS - Sumps are convenient and flexible - I just don't care for crawling around under the stand.
     
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  2. Brew12

    Brew12 Electrical Gru R2R Supporter R2R Excellence Award Reef Squad Leader Article Contributor Build Thread Contributor Partner Member 2018

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    Even though larger refugiums can weight upwards of 40 pounds when full, it adds very little relative stress to the glass. I'm not sure I would put a 40 pound fuge on a 10g tank but on a 75g or 90g? Not an issue unless the tank already has weak seams.
     
  3. NS Mike D

    NS Mike D Active Member R2R Supporter Build Thread Contributor

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    I have had the large CPR (5gal) on a 29 gal Aqueon for 3 years with no signs of stress. The pressure of the water from inside the tank, I would estimate, would dwarf the pressure of the HOB
     
  4. Leko

    Leko New Member

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    Thanks for the information - I was worried.......... new house, hardwood floors etc...

    thanks
     
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  5. rob safron

    rob safron Active Member

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    I used 2 HOB on my 125. No problems. But easier to work on a larger sump under than those on the back unless your not against a wall.
     
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