shells

Discussion in 'Beginner Discussions' started by werner5, 4 Jan 2009.

  1. werner5

    werner5

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    hey guys this december i went on vacation in mossel bay and i picked up alot of broken shells on the beach i just want to know can i add it to my salt water tank as a substrate becuase i have a hole bag full of them;)
     
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  3. Tobes

    Tobes Retired Moderator

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    I would not advise that because shells and big crushed coral can cause problems later on. Detritis (uneaten food and fish poo) gets trapped between the big particals and cause nitrate problems which in turn can be the cause of nuisance algae and cyano. Rather use fine substrate like aragonite or even better, use reggies play sand - very cheap, just wash it well until white before using it ;)
     
  4. werner5

    werner5 Thread Starter

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    o oky so i sould rather not add the shells i will try and get a fine substrate
     
  5. Tobes

    Tobes Retired Moderator

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    Just remember if you want to replace existing substrate that is settled in already I would advise you to replace say a quarter of it and wait 1-2 weeks inbetween replacements to give the bacteria and pod population a chance to catch up and seed the new substrate.
     
  6. werner5

    werner5 Thread Starter

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    oky cool i will get some new substrate when my bank looks a bit beter because the tank and fish the hole kit cost me R6000.00
     
  7. Reef Maniac

    Reef Maniac MASA Contributor

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    Agreed with the above, although adding a few shells for decoration would not be a problem.

    Hennie
     
  8. Tobes

    Tobes Retired Moderator

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    Ja, or for hermits needing new homes later on ;)
     
  9. werner5

    werner5 Thread Starter

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    thanx for all the info
     
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