Tonga Shelf questions

Discussion in 'Aquascape Discussion' started by EHaddad, Nov 29, 2018.

  1. EHaddad

    EHaddad Member

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    I just got in the Tonga Shelf Rock I ordered from BRS. I have two large pieces with bases, but my question is with them being so top heavy how did you attach/glue them to other rock to keep them from flipping. Also if you have pictures of your aquascape with Tonga Shelf Rock please post them so I can get some aquascape ideas.
     
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  2. neilp2006

    neilp2006 Well-Known Member Build Thread Contributor

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    I ended up just setting it on top of some pukani

    [​IMG][​IMG]
     
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  3. EHaddad

    EHaddad Member

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    That looks really good the only problem I have is that mine still have the base attached. I do have some flat shelf like that so I will probably be stealing that idea as well.
     
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  4. mta_morrow

    mta_morrow It costs HOW much?!!! R2R Supporter Reef Squad R2R Excellence Award SCAA Member Build Thread Contributor

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    I have a bit of Tonga in my tank now and have more to add as I fill out the tank.

    I have my base rock epoxied together for a strong base. The Tonga and other large rocks are merely placed in position.

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  5. EHaddad

    EHaddad Member

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    The problem I am having is my rocks which I will post pictures tonight are so big up top that I cannot get them to stand up without falling over.
     
  6. EHaddad

    EHaddad Member

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    image.jpg image.jpg
    Here are the pictures of all the rock I have.
     
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  7. EHaddad

    EHaddad Member

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    image.jpg image.jpg These two are the ones I would like to somehow use a a base structure to build off of but they are so top heavy I am having an hard time trying to figure out a way to make them stable without glueing a random brace under them. #aquascape
     
    Last edited: Nov 29, 2018
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  8. EHaddad

    EHaddad Member

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  9. mta_morrow

    mta_morrow It costs HOW much?!!! R2R Supporter Reef Squad R2R Excellence Award SCAA Member Build Thread Contributor

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    Most people will attach the Tonga to a base rock with a reef cement or by drilling and using acrylic rods.

    I’m not sure how to make that the base with another rock underneath.

    One thing I may do in my tank as I keep adding rock work is take a piece of Tonga branch and cut to length and glue to the underside of the Tonga plate and make a “pillar”.
     
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  10. mta_morrow

    mta_morrow It costs HOW much?!!! R2R Supporter Reef Squad R2R Excellence Award SCAA Member Build Thread Contributor

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    #reefsquad

    Does anyone have and ideas as to how @EHaddad can use the Tonga plate as a base?
    I don’t know how you would attached it to the bottom of the tank without a “brace” or attaching to a base rock first.
     
  11. Fudsey

    Fudsey Jack of all trades R2R Supporter Reef Squad R2R Excellence Award Reef Tank 365 Build Thread Contributor

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    I have seen a couple tanks that attached the rock to a piece of star board then just placed it in the tank that way.
     
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  12. saltyhog

    saltyhog Valuable Member R2R Supporter Reef Squad Leader R2R Excellence Award Partner Member 2019

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    Scape3.jpg Scape2.jpg My Tonga shelf had the base on the end of the piece not the middle. I just used the base as one "leg" and found a rock the same height for the other "leg". It's very sturdy and looks good to me.


    Day after the tank set up.

    right side2 (1 of 1).jpg

     
    Last edited: Nov 30, 2018
  13. Anirban

    Anirban Valuable Member R2R Supporter Reef Squad R2R Excellence Award Partner Member 2019 Reef Tank 365 Build Thread Contributor

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    You can not use that tonga base without attaching it to a flat piece with reef cement. It just can not stand by its own.
     
  14. Reef-junky

    Reef-junky Well-Known Member Build Thread Contributor

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    Would bonding it to the glass work? Could temporarily prop it up with something till the bond drys. Maybe it could be bonded to a long rock that will get covered by sand that’s another idea. Again prop it up till bond drys and see if it stays.
     
  15. EHaddad

    EHaddad Member

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    Could I possibly cut the base to make it stable?
     
  16. Katrina71

    Katrina71 Valuable Member R2R Supporter R2R Excellence Award R2R Secret Santa Hospitality Award

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    I think it would still be top heavy.
     
  17. Reef-junky

    Reef-junky Well-Known Member Build Thread Contributor

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    Possibly
     
  18. EHaddad

    EHaddad Member

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    I was thinking of cutting it to make it easier to cement to another rock.
     
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  19. Reef-junky

    Reef-junky Well-Known Member Build Thread Contributor

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    If you make a base wide and long enough and cut the steam flat it should work. The shelf I made is about 1/2 the width of my 75gal and stands on its own. The base just has to be enough to make it stable. As long as you can get a good strong bond it should work. You may have to make an L bracket and cover it with what ever you use to bond the rocks together.

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    Last edited: Nov 30, 2018
  20. EHaddad

    EHaddad Member

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    How and what did you use to cut your rock to make it flat enough?
     

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