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What is one of the colors on a clownfish? (hint there is a clownfish on the CR logo in the top left corner of the page.)

Good or bad idea?


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  1. #1
    Ocho Cinco - Reefkeeper CR Member
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    Mike

    Default Good or bad idea?

    Ok. I had an idea for a 3-way type set up. I wanted to set up a reef tank with a fuge/frag tank in the sump. I have always wanted to use a rubbermaid stock tank for a frag set up (http://www.tractorsupply.com/rubberm...pacity-2229901). I came up with this. Would it work if I had my DT on a stand being the highest of the 3. Water from that tank would then just drain into the rubbermaid stock tank (to the side of the DT) which will be elevated some making it the 2nd tallest. Water from that would drain into a sump in the DTs stand. In the sump I would put the return pump (to the DT), skimmer and a fuge. I want it this way because it will keep the mess of a skimmer, pump and fuge out of the frag tub. My main concern is if power goes out. Would it overflow the sump (3rd level). I wanted to get some opinions before I put more thought into it. Thanks!!!
    DO WORK!

  2. #2
    rmalone - Reefkeeper CR Member
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    Default

    Crunch your numbers on volume, but otherwise there is no reason it wont work. Make sure you keep the drain on the middle tank high so it wont drain all of it's volume into the bottom sump tank. But yeah you can make that work, there is 1728cubic inches per gallon as a little guide. It will come down to how many gallons the display drains and how many gallons your going to make the two sump tanks hold without overflowing.

  3. #3
    Ocho Cinco - Reefkeeper CR Member
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    Default

    Quote Originally Posted by rmalone View Post
    Crunch your numbers on volume, but otherwise there is no reason it wont work. Make sure you keep the drain on the middle tank high so it wont drain all of it's volume into the bottom sump tank. But yeah you can make that work, there is 1728cubic inches per gallon as a little guide. It will come down to how many gallons the display drains and how many gallons your going to make the two sump tanks hold without overflowing.
    Good to know thanks. The sump will just be an old aquarium, nothing fancy. I was thinking of just getting a taller sump just in case, that way it has less of a chance to overflow if I lost power.
    DO WORK!

  4. #4
    Ocho Cinco - Reefkeeper CR Member
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    Default

    For the display it depends on what I find that I like. I'm thinking around a 55 but could be less or more. The frag tub will be 100 or 50 gallons. Ill go as big as I can with the sump depending what will fit under the display.
    DO WORK!

  5. #5
    Tom@HaslettMI - Reefkeeper
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    Awards Yugo Award - For helping with the CR Booth at MCES Monthly Giveaway Winner Monthly Giveaway Winner Photo of the Month Tank of the Month

    Default

    Quote Originally Posted by rmalone View Post
    Crunch your numbers on volume, but otherwise there is no reason it wont work. Make sure you keep the drain on the middle tank high so it wont drain all of it's volume into the bottom sump tank. But yeah you can make that work, there is 1728cubic inches per gallon as a little guide. It will come down to how many gallons the display drains and how many gallons your going to make the two sump tanks hold without overflowing.
    I agree, with an exception. There are 231 cubic inches per gallon.

    Tom

  6. #6
    Ocho Cinco - Reefkeeper CR Member
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    I guess I don't know what that means or how to use that info towards making this set up.
    DO WORK!

  7. #7
    Tom@HaslettMI - Reefkeeper
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    Default

    Quote Originally Posted by Ocho Cinco View Post
    I guess I don't know what that means or how to use that info towards making this set up.
    Basically you'll need to calculate the volume of water that will drain out of the display and frag tub when the return pump is turned off. Then make sure that the sump will accommodate the extra water. Here are the equations to use:

    Display overflow volume = (length x width x height*) / 231

    Frag tub overflow volume = ((length of the straight edge x width between the two straight edges) + ((.5 x width between the two straight edges) x (.5 x width between the two straight edges) x 3.14) x height*) / 231

    *height = distance from waterline (when system is running normally) down to the bottom of the overflow weirs.

    Sump capacity volume** = (length x width x waterless height (distance from the waterline to the top of the tank)) / 231

    ** may need to do this calculation several times if the sump has sections with different water heights. If that is the case use the sections length and width rather than the whole tanks and add the volumes together.

    All lengths should be measured in inches and all volumes will be in gallons.

    Add the display and frag volumes and design the sump so that it can handle about 10% more water.

    HTH,
    Tom

  8. #8
    CR Member
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    Default

    You can limit the amount of drainage by putting your drains high in the tank and sumps. Even with that you would be surprised at the amount of water that will drain out of pipes etc. when the power us shut off. Your setup sounds great but flooding will for sure be an issue. Not hard to overcome you just have to plan for it.

  9. #9
    Ocho Cinco - Reefkeeper CR Member
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    Ok ya I get it now. I'll have to figure it out once I get all the stuff for it. I'm just waiting to find the right DT I want.
    DO WORK!

  10. #10
    rmalone - Reefkeeper CR Member
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    Default

    Tom your right!! My dumb Arse gave the figure for a cubic foot of water not a gallon, oops. And I was a little late getting back to my mistake. Sorry folks.

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