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Discussion in 'Anything DIY Related' started by manta, 11 Nov 2009.

  1. manta

    manta

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    So I have to rebuild my sump. I have bought the glass today. I have never built anything out of glass. The top two drawing is the one I am building

    I have the glass
    I have the marine silicone
    I have the inclination.

    Is there any special tricks/methods one need to watch for when building something like this. Please any advise would be greatly appreciated.
     

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  3. dallasg

    dallasg Moderator MASA Contributor

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    the best tools i bought were:
    1. Corner braces & clamps, blue an red ones from builders @ R80 each
    2. silicone tool for corners etc, better than using a spoon
    3. latex gloves
    4. duct tape
    5. 5L vinager for cleaning
    6. minora blades
    7. plastic painters sheet
    8. silicone caulking gun

    going to be a fun build
     
  4. dallasg

    dallasg Moderator MASA Contributor

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    also change your sand height to between 12cm-15cm
     
  5. manta

    manta Thread Starter

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    How serious is the sand height as most of the reading I have done reckons there is not much to be gained from height past 100mm rather go bigger surface area?? If it is critical I will have to go and buy new glass for the baffles?
     
  6. dallasg

    dallasg Moderator MASA Contributor

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    not that critical, mines 10cm, but i am sure someone mentioned 12oh well, my bad
     
  7. dallasg

    dallasg Moderator MASA Contributor

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    its fun building :)
     
  8. neo

    neo

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    hijack:), as i'm also building a sump
    Do you silicone-seal the corners before putting the internal glass or do you stick all the internals togetehr and then silicone the corners of each compartment?
     
  9. manta

    manta Thread Starter

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    Well, my plan is to first do the outer "box". Let it cure for 24hrs and then do the internal bits. Probably easier as I can imagine what fun it will be to put everything together at one go while all the silicone is still soft.
     
  10. dallasg

    dallasg Moderator MASA Contributor

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    its best to start with the shell, check that it doesnt leak etc, then add the other bits and internals
     
  11. Neil H

    Neil H Moderator MASA Contributor

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    if i may offer some advice here...

    your sump design is cool, but i would tweek it somewhat personally

    just my 2c worth so here goes

    your 250mm baffles, take them back and get 3 to 5cm chopped off the height
    then follow the following

    measure the space required for the skimmer , and place the 150mm baffle 4 or 5cm below the top of the main tank at the required point.

    give your baffle space 2cm, and place the new 220 / 200mm here

    measure how much space you need for one return pump (give a little extra space here) and put the second 20cm baffle here (obviously on the base of the main tank as with the other 20cm baffle)

    this now gives you the biggest DSB your sump can have......

    place the heater in the dsb compartment no need for a seperate spot for this.

    what is the reason for the second pump pumping water to the beginning of the sump..... save money this is not required imo

    doing this also enables you to deepen the DSB, and have macro algae in it

    next remember to put a float switch in the pump chamber as this is where you will pick up the water evaporation first

    in terms of the tank building ......

    my suggestion is to buy the corner clamps dallas mentioned above

    take your time .... make sure you clean the edges properly
    day one ... silicone one long side to one short side, use 2 clamps and you can do two opposite corners
    day 2 silicone the two L shaped pieces together
    day 3 silicon the base in
    day 4 pressure test
    day 5 put in baffles

    i have seen all steps done in one, but why rush this .....

    as a side note, 4mm should be fine, but i assume you are putting this on a solid base.... if not i wouold be worried about 4mm but thats just me
     
  12. manta

    manta Thread Starter

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    if i may offer some advice here...

    your sump design is cool, but i would tweek it somewhat personally

    just my 2c worth so here goes

    your 250mm baffles, take them back and get 3 to 5cm chopped off the height
    then follow the following -

    Agreed - Decided that last night already

    measure the space required for the skimmer , and place the 150mm baffle 4 or 5cm below the top of the main tank at the required point.

    Skimmer needs space of 27X32cm - This then leaves me with only only 38cm. Deduct 15cm for returm pump and this leaves me with only 23cm for DSB

    give your baffle space 2cm, and place the new 220 / 200mm here

    measure how much space you need for one return pump (give a little extra space here) and put the second 20cm baffle here (obviously on the base of the main tank as with the other 20cm baffle)

    this now gives you the biggest DSB your sump can have......

    place the heater in the dsb compartment no need for a seperate spot for this.

    OK

    what is the reason for the second pump pumping water to the beginning of the sump..... save money this is not required imo

    redesigning so will need second pump.
    doing this also enables you to deepen the DSB, and have macro algae in it

    next remember to put a float switch in the pump chamber as this is where you will pick up the water evaporation first

    I did not think about this one. Thanks - Any ideas on design

    in terms of the tank building ......

    my suggestion is to buy the corner clamps dallas mentioned above

    take your time .... make sure you clean the edges properly
    day one ... silicone one long side to one short side, use 2 clamps and you can do two opposite corners
    day 2 silicone the two L shaped pieces together
    day 3 silicon the base in
    day 4 pressure test
    day 5 put in baffles

    i have seen all steps done in one, but why rush this .....

    as a side note, 4mm should be fine, but i assume you are putting this on a solid base.... if not i wouold be worried about 4mm but thats just me

    Thanks for your input. I realise that the DSB will have to be bigger. I have built the outer shell last night so most of the difficult work is done. I am probably going for a DSB over the sump. All the bits and pieces that does not need constant attention can go in the bottom with DBS on top. Will post design later in the day (steal some of the bosses time)
    :thumbup:
     
  13. manta

    manta Thread Starter

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    Second DSB design

    I have included a second design. This will effectively double the DSB size. However I am concerned about achieving correct water over bottom DSB as this will be gravity fed from DT.

    Tank parameters are 270 with a 20mm overflow drain.

    Any advise would be appreciated please as I need to get this right. My initial setup at the start was incorrect. (Did not know about this forum:thumbup:)
     

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  14. manta

    manta Thread Starter

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    Nobody got any comments?
     
  15. Neil H

    Neil H Moderator MASA Contributor

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    i think you may be over complicating things, why not run a second DSB in your Display tank, even is it is not as deep, it will still aid in the filtration
     
  16. manta

    manta Thread Starter

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    Hmmmm fair comment. Fortunately have not bought second lot of glass yet. So I will sleep on it.
     
  17. Hill

    Hill

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    You are definately complicating things.

    I find it funny that no one picked up[ the problem in the heater chamber of the first drawing. In the first drawing water would not flow through the heater chamber but would end up going over it. It would still work but not very efficiently.

    I would put my heater in the skimmer compartment. Shorten the piece of glass between the DSB and return pump chamber and glue it at about a 75 degree angle. This allows the water the run down the glass and minimises bubbles in the return chamber.

    In my sump I only had 2 internal pieces of glass which was the DSB. My carbon and phosphate remover was run in a reactor. This way I got maximum DSB size. Water above DSB was around 7cm which allowed me to run cheato above the DSB.

    I thought I would add some more ideas to think about.
     
  18. manta

    manta Thread Starter

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    Thanks for your input. I have already cut glass down to 200mm This would give me about 50mm above the DSB.

    DSB is on the small side, but maybe Neil H has the better option rather than going for option 2. I currently have coral gravel in the tank. Can I remove this without causing too much stress on my livestock? I only have two damzels and two nemo's in the DT. And if so how do I go about it? Do I remove all at once or gradually after after new DSB has cycled completely?
     
  19. manta

    manta Thread Starter

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    So here is an update of my sump build and installation.

    Day 1 - Building sump

    [​IMG]


    Day 2 - Completing build of sump.
    [​IMG]
    East Londoners please note one good use for "Daily Disgrace"

    Start removal of old sump.

    [​IMG]

    New sump installed and running. And yes there that is a Jebo skimmer in the sump. But it has been pimped.


    [​IMG]

    This will have to do until I have money to buy the skimmer I really want. Not doing to bad a job though with both having been through Mandrins' pin wheel convertion.

    [​IMG]

    Have started replacing the coral gravel in the tank. Doing it little by little.

    Just one question though. I have been monitoring my water parameters and have had a spike in ammonia level. Did a 80% water change yesterday and measured again today and still get a 0.25ppm reading in Ammonia levels. I use sea bought bought from the Aquarium. Why would this remain so high?
     
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