High Magnesium and Dwarf Cuttles

Discussion in 'Cuttlefish Care' started by magnetar68, Aug 30, 2012.

  1. magnetar68

    magnetar68 O. vulgaris Registered

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    In planning for my S. Bandensis tank, one of the things about my water chemistry is that I have been using a reef salt and I have a slightly elevated level of Magnesium: 1400 ppm (according to my ELOS kit). Is this going to be an issue? I remember reading a thread (here) that stated the cuttles had trouble hunting and he thought it was related to using a new salt mix (ESV) with elevated levels of Mg.
     
  2. DeepBlueWonders

    DeepBlueWonders Vampyroteuthis Registered

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    I have not had any experience with testing this. If you'd like, I could test my Mg. in my cuttle tank. My cuttles have been flourishing.
     
  3. magnetar68

    magnetar68 O. vulgaris Registered

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    Sure, if you already have a kit, I would be interested. Are you using ocean water or an artificial salt? If so, which one?
     
  4. Thales

    Thales Colossal Squid Staff Member Moderator

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    1400 should be fine, though it seems a bit too high (1220-1350 is the general level to shoot for)- is that just from the salt mix? That said, Mg tests have a large margin of error - plus or minus 100 ppm.
     
  5. magnetar68

    magnetar68 O. vulgaris Registered

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    Yes, from the salt mix, the company, ESV, targets 1400ppm Mg at 34ppt for this 4 part salt mix (http://www.esvco.com/B-IonicSeawaterNov.pdf). I like it because I can make 55 gallons and I am done mixing in 5 minutes and it is ready after an hour of aeration.
     
  6. DeepBlueWonders

    DeepBlueWonders Vampyroteuthis Registered

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    I use Instant Ocean's Reef Crystals
     
  7. Thales

    Thales Colossal Squid Staff Member Moderator

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    I like the ESV mix too. The level of Mg should be fine. :D
     
  8. magnetar68

    magnetar68 O. vulgaris Registered

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    OK, great. Thanks.

    DeepBlueWonders, IO Reef Crystals are similarly high in Mg (1350-1400), so that also makes me feel better.
     
  9. DeepBlueWonders

    DeepBlueWonders Vampyroteuthis Registered

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    And I have had excellent success with my cuttles this batch, 100% hatch rate and survival rate so far.
     

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