Reggies sand in a DSB

Discussion in 'Biological/Natural Filtration and Deep Sand Beds' started by Jinx, 12 Jul 2009.

  1. Jinx

    Jinx

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    Hey guys a read a lot of threads here that indicates that one could use this playsand as a media for a DSB.I read in Galibore's thread that it is a silica based sand.Won't I have a problem with silica levels in my water if I use this sand?
     
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  3. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Hey Jinx. Using Reggies sand is fine. I used it in the past aswell. All it needs is a good few rinses be you chuck it into your system.
     
  4. speedz

    speedz

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    i use this sand in my FW tank, works perfect
     
  5. Jinx

    Jinx Thread Starter

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    Thank you Mekaeel what about using sugar fine crush coral
    Here's some pics
    [​IMG][​IMG][​IMG]
     
  6. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Sugar fine is ok dude. As long as it is not the 'shell' type. But from what you showed me in the pic, it is ok to use :)
     
  7. jacquesb

    jacquesb Retired Moderator

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    Hi Jinx - that too is more than perfect. If you don't have to pay an arm and a leg for it - then, by all means. Go ahead and use it. Just make sure that it is not possibly full of "nasties" ;)
     
  8. Jinx

    Jinx Thread Starter

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    O.k thanks,I think Ill use this because I think it may also help with my PH and so.

    Just as long as I'll be able to reduce the nitrate level with such a DSB.
     
  9. Reef Maniac

    Reef Maniac MASA Contributor

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    The glass of the tank is also silica based - you should worry if it starts to dissolve :whistling:

    Seriously, silica is one of the most insoluble of substances, and silica sand WILL NOT dissolve, just the same as the tank glass. The silica in the water would come from unfiltered tap water, and has been dissolved by bacterial action in the groundwater over 1000's (actually closer to 1000's) of years. Use a good RO filter, and you should not have too much problems with silica - you will still have some diatom outbreaks, but that's actually good for your system, contrary to popular belief...

    Hennie
     
  10. Jinx

    Jinx Thread Starter

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    Thank's for the reply Hennie.I still have to redesign my sump too.

    I'f you were me which would you have used between the sugar fine coral or reggies sand?
     
  11. jacquesb

    jacquesb Retired Moderator

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    Cost only would determine that. Jinx. Both would work equally well.
    The coral sand will NEVER really buffer your tank's water. So don't ever bargain upon that.
     
  12. Reef Maniac

    Reef Maniac MASA Contributor

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    I would use the sand with the roundest (smoothest) particle shape. "Crushed" whatever usually have sharp edges, and this can cut/hurt the sand-living critters in the DLSB (especially the sand-living cucumbers, etc. which "eat" the sand particles to remove micro algae), whereas smooth, well-rounded particles just pass through without causing harm. IMHO the best sand would be real sea sand, and the next best would be a well-rounded silica river sand.

    Something like this: a sea sand grain from my tank, enlarged about x100, if I remember correctly...

    [​IMG]

    Hennie
     
  13. Jinx

    Jinx Thread Starter

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    O.k thanks guys....nice pic Hennie thank you....I dont really care about the price tag on the media.For now I'll go with the reggies sand then,but I would have liked to use something that would have helped with the buffering of the tanks water.
     
  14. Reef Maniac

    Reef Maniac MASA Contributor

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    The "buffering" of the water by the aragonite sand is mostly a myth, exploited by the sellers of the sand. In fact, the sand will only add "buffer" if the calcium carbonate starts to dissolve, and that only happens when the water's pH drops below 7... and this only happens infrequently in the bottom zone of rather deep sand beds. You will do *much* better to just add a teaspoon of sodium bicarbonate (baking soda) in a liter or two of RO water to the tank whenever needed.

    Hennie
     
  15. H0nda42

    H0nda42

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    Hi Mekaeel, what did you mean by not the shell type? I am also looking for a white looking substrate and the LFS showed me some aragonite which looks alot like crushed coral. Is this bad?

    Someone else mentioned the fish might get hurt by the sharp edges of the crushed, I have a orange spot goby and would hate to hurt him.

    Sorry for the side track:)

     
  16. Warr7207

    Warr7207

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  17. Warr7207

    Warr7207

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    Sorry for the hijack

    What do you guys reckon a sandbed would look like with either of these two products ?

    [​IMG]




    [​IMG]
     
  18. Warr7207

    Warr7207

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    [​IMG]
     
  19. schaun

    schaun

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    This was also a concern of mine. What I gathered from a lot of reading is that the
    Correct depth for a dsb is round about 13 – 15 cm. Anny deeper than that could
    form dangerous sulfur buildup that looks like black areas in the dsb, witch if disturbed
    could get into your water and wipe out your tank.
    I think the best to use for a dsb is fine aragonite. Because the bottom part of the dsb
    Becomes acidic over time witch starts to dissolve the aragonite and helps your ca reactor
    Put Ca in your water. Don’t think it is that much, but it is constant. So from what I could
    gather is that because of the acidity of this area it could dissolve some of the play sand
    and leak some silica into your tank.
    This might all be speculation I don’t know, but I’m not taking any chances so I’m taking the
    Aragonite route.
     
  20. Warr7207

    Warr7207

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    Dude, a CaRx needs no helps in producing Ca. ;)
     
  21. schaun

    schaun

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    Dont know, but i think it would look cool !
     
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