Tank shock absorber

Discussion in 'Beginner Discussions' started by Papitto, 23 May 2014.

  1. Papitto

    Papitto

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    Hi everyone,

    I need help deciding what I should use between my tank and steel stand...
    I seen polystyrene mostly but I like the polyethylene more. I got a quote for a 2x1m sheet of it, which was +-R450 for 20mm thickness...
    I'm just wondering if its really worth buying a whole sheet? Anyone has any advice on this one or maybe some offcuts in JHB :blush:

    Another question: I have placed 16mm plywood in the bottom of my stand, do I need to still use a sheet between the plywood and my sump?

    Hopefully I get some discussion around this... I would appreciate any advice. Thank you.
     
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  3. Nemos Janitor

    Nemos Janitor

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    The 16mm ply wood you mention at the bottom of the stand. Is this between the floor and the stand?
     
  4. jclaas

    jclaas

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    Yes,
     
  5. Papitto

    Papitto Thread Starter

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    No, the plywood will rest on the bottom level of the steel stand I built, it's in my custom DIY thread.
     
  6. Nemos Janitor

    Nemos Janitor

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    What is the purpose of the plywood?
     
  7. jclaas

    jclaas

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    To cover the frame reinforcing in order to create a even surface for the sump.
     
    Last edited: 23 May 2014
  8. Papitto

    Papitto Thread Starter

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    I prefer to put it down as a shelf, also to build onto the plywood instead of drilling into the steel tube. Will be building a cupboard inside the stand for all my power supplies and controllers.
     
  9. Nemos Janitor

    Nemos Janitor

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    IME not a good idea. Reason is that water spilled on the wood causes it to swell. This causes cracked bases and sumps. If using wood it is imperative to ensure that the wood is adequately sealed.
     
  10. Papitto

    Papitto Thread Starter

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    I'm using Seal-once marine waterproofer to protest against any moisture plus it's marine plywood I purchased. Will give it a shot and see how it goes for now
     
  11. Nemos Janitor

    Nemos Janitor

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    I am not sure then why you are asking for information or help if you have all sorted.

    My years of experience indicate issues in the long term. But give it a shot and see how it goes. I may be wrong.
     
  12. Nemos Janitor

    Nemos Janitor

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    Bud I hope I did not come across aggressive. Just trying to help in averting the many mistakes/regrets many reefers have some years down the line.

    Try John Moffit Prolock in JHB for foam to place your tank and sump on. :thumbup:
     
  13. Papitto

    Papitto Thread Starter

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    I get you completely and I appreciate the advice. That's why I posted the question, seasoned advice is what I'm looking for.
    My primary question was the foam though, so thanks for the info on supplier.
    @Nemos Janitor - what would be the better choice for the sump level? The stand is 50mm steel tube; 1528Lx528W. The sump I built is 910Lx410W (footprints). How would I sit the sump onto the stand? I have 2 braces the inside width (528mm - 100mm tubes) of the frame. Which splits the length in 3 equal open spaces.
    Which means the sumps is not long enough to be seated/supported by the stand alone.
    What's your take on that?
     
    Last edited by a moderator: 26 Nov 2015
  14. Nemos Janitor

    Nemos Janitor

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    Is it possible to please post a pic of the stand so that I get a better understanding and can recommend a solution.
     
  15. Nemos Janitor

    Nemos Janitor

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    Also what type of floor is the stand going to be placed on?
     
  16. Papitto

    Papitto Thread Starter

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    The floor is solid, concrete and tiled.

    IMG_20140522_153822.jpg

    IMG_20140522_153814.jpg
     
  17. Nemos Janitor

    Nemos Janitor

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    Lovely built stand. looks awesome.

    There are three suggestions. The first is if you buy the foam from John Moffet they cut it from a big block of foam. That means that they can cut it to any size and thickness. So you could order blocks that are 60mm thick that will fit in between the three squares on the bottom.
    The second suggestion is to use glass as a shelf (10mm). Lots of aquariusts use this because it is easy to clean if there are any spillages. In order to provide support at the two ends you could screw or pop rivet a length of galvanised 50mm angle iron to the inside. you would lose 50 odd mm each end though.

    The third thing is i see that the stand has adjustable feet. The pressure point of these feet can crack tiles. I suggest you spread the load of each foot by placing a piece of steel under each foot. To protect the tile further from rust should the day come you want to move the tank then i would also suggest you place a bit of rubber under each plate. You can also get this rubber from John Moffet. Will take a pic of the rubber i refer to later this morning for you.
     
  18. Nemos Janitor

    Nemos Janitor

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    This is the rubber I am referring to. The foam is on the left.

    [​IMG]
     
  19. Nemos Janitor

    Nemos Janitor

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    I have that small piece of rubber you can have if you want. It is about a meter long by about 75mm wide. In fact I may also have some foam that we can scrounge for you for the top of the tank.
     
  20. Papitto

    Papitto Thread Starter

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    That would be awesome!!! PM me details pls. Ta
     
  21. Nemos Janitor

    Nemos Janitor

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    We are going to be building a stand or two and doing some other things in the morning. Welcome to pop along. Will PM you address.
     
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