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Thread: Sand grain size

  1. #1
    Senior Member ALRHA's Avatar
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    Sand grain size

    ok, i want to order my new live sand for my 60x24x30. I am guessing 6x 20lb bags should be fine (for about a 3"-4" dsb?)
    should i just go with the smallest grain size Arag-Alive makes? which is .5mm - 1mm
    http://www.drsfostersmith.com/produc...fm?pcatid=7318
    (see the Fiji Pink Sand - Extra Fine)
    Albert
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  2. #2
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    IMO forget the live sand route. Put in a sugar sized sand, add your lr (uncured if you are going that way) and in short order you sand will be living sand. If you want to hurry it a little bit, ask some other reefers in the area for a half cup of thier sand.

    FWIW some people don't want to add sand from another tank into their system in case it has flat worms or some other undesireables. It is your decision, as sand from another tank is not necessary. LR will make your sand live in a short time.

    What others will do, is use Southdown or some other sugar sized sand for 98% of their sand bed and add only 1 bag of living sand to seed the bed.

    If you go to Reef Central, they have a calculator for how much sand you will need to buy based on tank size and depth that you want.

    Vickie

    Here's the calculator - http://www.reefcentral.com/calc/SandBed.php

  3. #3
    Senior Member ALRHA's Avatar
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    i dont mind paying the extra few $ if it money you're concerned about. i am upgrading an existing tank, so everyone will be in it right away, i cant wait for anything to cure.
    Albert
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  4. #4
    Senior Member ALRHA's Avatar
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    just want to know what grain size to opt for (and if Arag-Alive is a good choice.
    Albert
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  5. #5
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    It's not so much the money as many do not feel that the bacteria would still be alive by the time you get the bag. Many say you still have to wait for the cycle even using live sand and I have read threads where the ammonia and nitrites don't come down any faster using the live sand. A lot of this is subjective so I don't know much store to put in it.

    I'll do a search and see if I can find the thread that specified what sand size was best for dsb. All I can remember now is a variety of grain sizes in the area of sugar grains.

    Vickie

  6. #6
    Senior Member ALRHA's Avatar
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    great, thanks. and i assume 3" would be optimal.
    Albert
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  7. #7
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    Originally posted by ALRHA
    great, thanks. and i assume 3" would be optimal.
    If by 3" you mean sand bed depth, then I think that is the miniumum. Optimum is 4 to 5 with maximum (to have any benefit) is 6 to 8. I spent a week or so reading all sorts of thread on this. I'm going to try to locate some of the good ones for you. There is quite the debate about dsb and whether they cause tank crashes later on or not. This is something everyone must make their own decisions since it is not black and white.

    Here's an thread on size - http://www.reefcentral.com/forums/sh...hreadid=378159

    This is a good thread (lots of humour as well) on dsb - http://www.thereeftank.com/forums/sh...threadid=23293 If you get the message that nothing has been posted in 30 days, just register and then you'll be able to see the thread ( The THINK Tank forum - thread name Some funny misconceptions I've read about DSB's )

    lots of info here - http://www.reefcentral.com/forums/sh...hreadid=118418
    http://www.rshimek.com/reef/sediment.htm

    The last article goes into detail on sand size etc.

    Have fun reading

    Vickie

  8. #8
    Senior Member ALRHA's Avatar
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    sounds great. i will look into those.
    you are amazing!
    Albert
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  9. #9
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    :massa: Thanks for the compliment.

    I like to know why I am doing something so when I have time I research to learn more about it. Only by understanding why can we make the correct decisions for our tanks and when something goes wrong (which always happens) then we have a better chance of fixing it.

    Our 90 gallon has a 5 to 6 inch sand bed. Our new tank won't (only 1 to 2 inches of sand is planned) because we don't want to loose that much of the display area. In its place, we are planning on possibly adding a remote sandbed/refuge. This also gives us the option of removing or changing part of the sand bed annually to reduce the possibility of a crash due to build up in the sand.

    Vickie

  10. #10
    Senior Member Fisherman's Avatar
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    Crash due to build up in sand?

    I never ever heard of this??? can you explain it to me please... thanks..

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