High Magnesium and Dwarf Cuttles

magnetar68

O. vulgaris
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Feb 25, 2012
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#1
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.
 

DeepBlueWonders

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#2
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.
 

magnetar68

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#3
Sure, if you already have a kit, I would be interested. Are you using ocean water or an artificial salt? If so, which one?
 

Thales

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#4
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.
 

magnetar68

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#8
OK, great. Thanks.

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

DeepBlueWonders

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#9
magnetar68;192326 said:
IO Reef Crystals are similarly high in Mg (1350-1400), so that also makes me feel better.
And I have had excellent success with my cuttles this batch, 100% hatch rate and survival rate so far.
 

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