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  1. #1
    Senior Member mickyfin's Avatar
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    Plumbing Plans - Feedback Please

    Please let me know your thoughts on the following plan for my 120. Thanks! Sump size is 30 gallons and tank is 120.

    Questions - 1. Do i need to use a special (safe) PVC Glue?
    2. I saw that an open top to your drain (as per pic) reduces noise, any other tips?
    3. Think the MAG 1200 will produce sufficient flow for my mixed reef?
    4. Did I majorly drop the ball anywhere on these plans? :-P



    1 1.5" Bulkhead for Drain
    d1 6" schedule 40 PVC 1.5" Diameter (horizontal, coming from back of tank)
    d2 38" schedule 40 PVC 1.5" Diameter
    D3 12" schedule 40 PVC 1.5" Diameter (horizontal, going back into sump)
    d4 12" Schedule 40 PVC 1.5" Diameter
    D5 2" Schedule 40 PVC 1.5" Diameter
    One 1.5" T Fitting
    Two 1.5" Elbows
    1 Gate valve (To shut drain off in case of emergency)

    2 x 1" Bulkhead for returns
    r1 - 6" schedule 40 PVC 1" Diameter (horizontal, coming from back of tank)
    r2 - 24" schedule 40 PVC 1" Diameter
    r3 - 56" schedule 40 PVC 1" Diameter
    r4 - 6" schedule 40 PVC 1" Diameter (horizontal, coming from back of tank)
    r5 - 24" schedule 40 PVC 1" Diameter
    r6 - 14" schedule 40 PVC 1" Diameter
    r7 - 12" Schedule 40 PVC 1" Diameter (Horizontal, going back into sump)
    r8 - 19" Schedule 40 PVC 1" Diameter (Horizontal, going back into sump)

    One Gate valve (For Pump Maintenance)
    One 1" T Fitting
    Six 1" Elbow
    One 3/4" to 1" fitting (not sure if this exists or the right thing to do! Pump to 1" pipe)

    P = MAG 1200
    Flow Rate: 1200 gph
    Input: 3/4 Inch
    Output: 3/4 Inch

    If flow is not enough I would like to add a closed loop, please let me know your thoughts!

  2. #2
    Senior Member mickyfin's Avatar
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    Follow up question and shameless bump (want to head to Home Depot after work)

    OSD, or anyone in particular, is two inches from the top of the tank enough room for the holes to be drilled? I want the tops of all the holes 2" from the top of the tank (as per RC calcs for drain volume 2" below water line.

    Thanks!
    Don't Panic Feel free to visit my blog -> Internet Tough Guy.

  3. #3
    Senior Member ak_sniper's Avatar
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    mickyfin, when I was inquiring about drilling my bulkhead I was advised to leave the same or more amount of space on top of your hole as the bulkhead hole itself.

    Meaning I have a 1.5" BH which requires a 2.5" hole, so I left 2.5" from top of glass to top of hole to preserve glass structure integrity. Cut mine with a dremel, did not have any issues!

    AK
    20G Reef Tank (Starting again...)

  4. #4
    Senior Member mickyfin's Avatar
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    Check - I assume that's so the bulkhead fits I have 1.75" of metal trim around top of tank... do i need to count 2.5" from top of tank or from bottom of trim?


    Thanks
    Don't Panic Feel free to visit my blog -> Internet Tough Guy.

  5. #5
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    Mickyfin. Drill the holes about 4 to 5 inches below the top edge. Reduce the pumps "head" by having the overflow in on corner and the 2 returns in the mid area with only one pipe going up to the top and then both ways horizontally. The mag 12 will do the job for your sump return but I would if I were you add ether a second closed loop or some power heads. As for glues you will need PVC adhesive and PVC to ABS transition adhesive if parts are mixed. A lot of bulkhead fittings are ABS.
    Rob

  6. #6
    Senior Member mickyfin's Avatar
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    Thanks Salty, makes good sense. I'll recalc drainage at 5" and see if I need a bigger sump ...

    Using the following input parameters
    Tank Length = 60 inches
    Tank Width = 18 inches
    Height of Water above Overflow = 5 inches

    Sump volume is calculated as
    Sump Volume need to handle tank overflow = 23.4 Gallons

    Looks like sump is still good....

    ABS is ok for bulkheads? I read not to use for Pipes, but I suppose three wee bulkheads are no problem.
    Don't Panic Feel free to visit my blog -> Internet Tough Guy.

  7. #7
    Senior Member ak_sniper's Avatar
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    Its for structural integrity of the glass why its advised to leave the same or more amount of space on top of bulkhead between edge of glass.

    I calculated my 2.5" from top of glass, I had 1.25" of trim so from top of trim to top of hole there is 2.5".

    AK
    20G Reef Tank (Starting again...)

  8. #8
    Senior Member mickyfin's Avatar
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    I'll make all holes 5" down for cosistencey then thanks guys, heading to home depot as soon as I finish this poker game. Any parting thoughts?
    Don't Panic Feel free to visit my blog -> Internet Tough Guy.

  9. #9
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    Try This

    Check out something like this and se how much pump head has been removed. On your question about holes distance from the top the returns should be a close as drilling will allow so that in a power faonure the tank will not back flow too much water into the sump.
    Rob

  10. #10
    Senior Member mickyfin's Avatar
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    Good plan, that one is much neater, will work off of it, thanks a bunch for help guys
    Don't Panic Feel free to visit my blog -> Internet Tough Guy.

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