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  1. #1
    Registered Member LivingSeas is on a distinguished road
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    DIY acrylic tank building guidelines on thickness/bracing?

    I am planning to build and acrylic sump for my 300 gallon DT

    I was planning on a 125 gallon sump. I also want to make a frag
    and possible QT tank if I have enough acrylic left.

    Are their guidelines somewhere on how thick I need to buy for x wall height?
    Or is it the total amount of gallons? Both of these tanks will be pretty low..less
    then 20" tops but I'd love to be able to build bigger tanks if this works out.

    At what point do I need to add bracing? When is a full sheet brace called for or
    is euro style with an open center doable?

    I'd love to hear from some experienced folks.

  2. #2
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    revsgirl is on a distinguished road
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    <3 Tonya

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  3. #3
    all about the diy!!!!!

    Troylee is on a distinguished road
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    What dimensions do you want?? That will determine thickness... No calculators will work it's all experience..
    Gotta love the diy.... Check my latest and sweetest build yet...

    http://www.reef2reef.com/forums/club...-stocking.html

  4. #4
    Registered Member LivingSeas is on a distinguished road
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    That's the point. If its experience you must follow some sort of mental guidelines?

    Can you share those? You seem to be an acrylic expert based on your other postings

    Thanks. Mike

  5. #5
    all about the diy!!!!!

    Troylee is on a distinguished road
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    Trial and error... Really what you build today may look nice and not bow but in 2 weeks when the acrylic absorbs water turns into a football... Like I said exp... I like to see 3/8 or 1/2" thick on sumps... Euro brace depends on dimensions of tank.... Give me a dimension I'll tell you what works... Every tank is custom so it always varies...
    Gotta love the diy.... Check my latest and sweetest build yet...

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  6. #6
    The LED Guy

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    How about a 6' x 18" x 10" tall tank? Maybe two strips across it for support? Sorry if I hijacked
    Thank You,
    Logan Vanghele
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  7. #7
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    Young Frankenstein is on a distinguished road
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    1/2" with eurobrase or 3/4" without, using my acrylic aquarium experience
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  8. #8
    all about the diy!!!!!

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    Quote Originally Posted by Young Frankenstein View Post
    1/2" with eurobrase or 3/4" without, using my acrylic aquarium experience
    Believe it or not but 3/4" will bow across a 6 ft span... But it's still structurally sound... I would use 1" rimless just for looks...
    With a 2" euro brace and single center brace 4" wide.. 3/8" is plenty thick...
    Gotta love the diy.... Check my latest and sweetest build yet...

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  9. #9
    The LED Guy

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    Quote Originally Posted by Troylee View Post
    Believe it or not but 3/4" will bow across a 6 ft span... But it's still structurally sound... I would use 1" rimless just for looks...
    With a 2" euro brace and single center brace 4" wide.. 3/8" is plenty thick...
    Thanks, the rimless would look sweet, huh? And a 1" shorter back for a coast to coast... a man can dream, can't he
    Thank You,
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  10. #10
    Registered Member LivingSeas is on a distinguished road
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    Okay how about a 64*28*16 sump with two baffles? Water level would be 14.5 tops.

    I was hoping for 3/8 due to cost. I won't have room for a full euro brace. Would a couple cross slats due?

  11. #11
    all about the diy!!!!!

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    Nah that won't work.... 3/8" would suffice with a full euro of 3" around the permiter... That's the other thing it's a half a sheet waisted sometimes thicker acrylic is cheaper because you use less material... You are basically running that sump at 100% capacity all tanks have a water line 1" to 1.5" down... For that particular size I would use 3/8" bottomand baffles with 3/4" walls all the way around for rimless... Even then it will have a slight bow..
    Gotta love the diy.... Check my latest and sweetest build yet...

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  12. #12
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    Mstansbery is on a distinguished road
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    Quote Originally Posted by Troylee View Post
    Nah that won't work.... 3/8" would suffice with a full euro of 3" around the permiter... That's the other thing it's a half a sheet waisted sometimes thicker acrylic is cheaper because you use less material... You are basically running that sump at 100% capacity all tanks have a water line 1" to 1.5" down... For that particular size I would use 3/8" bottomand baffles with 3/4" walls all the way around for rimless... Even then it will have a slight bow..
    ^^Ditto

    3/8 seems like it would be hard to get a good bond first try, especially for the eurobrace...I would sacrifice the cash and go with a thicker sheet to ensure a larger bonding surface!!

    -Are you doing all the cutting yourself??

  13. #13
    Registered Member LivingSeas is on a distinguished road
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    I have professional acrylic manufacturer I worked with in past for business
    Will be cut on a million dollar cnc system with diamond encrusted bits. Will be
    Saw mark free.

    If I upped everything to 1/2" could I get away with a eurobrace? 3/4 is really pricey.

  14. #14
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    Oh sweeeet!!

    I would think 1/2 is sufficient...Your going to have baffles so theres going to be plenty of shear that way and I would venture to say the baffles themselves create a loss in pressure against the short sidewalls...

  15. #15
    all about the diy!!!!!

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    1/2" with a euro brace yes without no... If you could put at least a strip 2" wide down both long sides it would work for ya... But I would suggest a 8 to 10" water line max... 14" is gonna cause you havoc on the side walls and skimmer..
    Gotta love the diy.... Check my latest and sweetest build yet...

    http://www.reef2reef.com/forums/club...-stocking.html

  16. #16
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    Quote Originally Posted by Troylee View Post
    1/2" with a euro brace yes without no... If you could put at least a strip 2" wide down both long sides it would work for ya... But I would suggest a 8 to 10" water line max... 14" is gonna cause you havoc on the side walls and skimmer..
    Sorry..yes 1/2" with euro!!

 

 

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