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Thread: Too Deep?

  1. #1
    JM
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    Too Deep?

    Is there such a thing as too deep of a sand bed. I've laid down about 1.5" fine sand and about 3 inches of aragonite. I still have about .25 of inch of live sand to add - do I need to take some aragonite out - thought I'd check before adding the live sand.

    Thanks....

  2. #2
    Senior Member Fishysan's Avatar
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    That's a loaded question.. everyone has opinions - like everything else mind you.

    A DBS (deep sand bed) typically is 4"-6", anything less they don't call it a DBS.

    I've got ~4" in my main display, and ~5" in my sump.. and it's not as deep as many.

    So you'll be just perfect. You could even add more LS. Don't forget, it will disolve over time.. and move around.
    Fishysan ><>
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    180g display main floor, 150g trough, 75g, 20g in basement
    SPS, LPS, softies, many clams & 14 fish
    main: 250w AB DE HQI x 3, 5' x 3 VHO actinic - trough: 400w venki

  3. #3
    Senior Member nbreau's Avatar
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    How deep should the minimum sandbed be ? Would 100lbs of SD be enough for a 40 gallon 36*18*15 tank ? I think that amounts to about 3 inches...

  4. #4
    Senior Member MINIATUS's Avatar
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    If you could get it to 4 inches it would be better, at 4 inches it seems to help with Nitrate breakdown. The recommendation is either 1inch or 4 inches or better, in between there is no actual benifit.

    MINIATUS

  5. #5
    Senior Member nbreau's Avatar
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    Well that sucks... if I can only get 3 inches worth of southdown would it be any harm in mixing in some sugar sized aragamax sand to add the extra inch ? What about a layer crushed coral ?

    The LFS only does sand on special orders and reccomends using crushed coral instead. Can anyone elaborate the main differences between the two ?


    thanks,
    Nick.

  6. #6
    Senior Member MINIATUS's Avatar
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    don't use the crushed coral go with a fine argonite sand or sea floor mix.

    MINIATUS

  7. #7
    Senior Member Fishysan's Avatar
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    yeah, what Min said.
    Fishysan ><>
    ---
    180g display main floor, 150g trough, 75g, 20g in basement
    SPS, LPS, softies, many clams & 14 fish
    main: 250w AB DE HQI x 3, 5' x 3 VHO actinic - trough: 400w venki

  8. #8
    Senior Member ALRHA's Avatar
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    why is that? is it not better to have more of a variety in the DSB?

  9. #9
    ATC
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    cc tends to collect detritus and your finer particles will eventually sift to the bottom leaving the cc at the top. cc in rubble piles is good for pods though.
    Aven

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