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  #1  
Old 02/14/2006, 06:28 PM
Winchester Winchester is offline
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Join Date: Jan 2005
Posts: 29
Kalkwasser

I have access to Calcium Hydroxide, he also called it Hydrated Lime. The spec's where as follows:

Calcium Hydroxide 73.8%
Silica Oxide 0.9%
Magnesium Oxide 0.7%
Sulphur Oxide 0.4%
Co2 24.0%
Lab Grade

so can anyone tell me is this the same as Kalkwasser and is it going to be safe to use in my Reef Tank?
Any information would be great
  #2  
Old 02/14/2006, 06:59 PM
sasa311 sasa311 is offline
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As I know Calcium-hydroxide [Ca(OH)2] is called kalkwasser. Here at Europe it's 99% clear... I wouldn't use that...

Silica Oxide - [SiO2]? is food for algaee....
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  #3  
Old 02/15/2006, 10:09 AM
Ira NZ Ira NZ is offline
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Location: Upper Hutt, New Zealand
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Yup, that should be perfectly safe. And I doubt that little trace amount of silica is going to cause any problems.
  #4  
Old 02/15/2006, 05:55 PM
Winchester Winchester is offline
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Posts: 29
Everyone likes to save money, I was scared about using it. But Iza NZ says I will be ok. If anyone esle has a option please feel free to let me know. Btw thanks for he reply Iza NZ.
  #5  
Old 02/16/2006, 01:50 PM
Randy Holmes-Farley Randy Holmes-Farley is offline
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Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 52,068
That material is largely calcium carbonate (note the 24% CO2), and I wouldn't use it to make limewater.
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  #6  
Old 02/16/2006, 03:49 PM
REV REV is offline
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Location: Florida
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Save money... Picklilng Lime.
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  #7  
Old 02/16/2006, 08:54 PM
jimbo045 jimbo045 is offline
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Location: Aiea, HI.
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I think it is the same. I use aragaMILK to take the place of that kalk things.
  #8  
Old 02/17/2006, 07:31 AM
Jon Evans Jon Evans is offline
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Location: Massillon, OH
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Kent Kalkwasser is not that expensive, and you know exactly what you are getting.
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  #9  
Old 02/17/2006, 07:32 AM
Jon Evans Jon Evans is offline
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Location: Massillon, OH
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Since I've used the Kent Kalk, my calcium is about 500 in my 75 gallon reef. It's hard to beat the old tried and true.
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  #10  
Old 02/17/2006, 10:00 AM
Randy Holmes-Farley Randy Holmes-Farley is offline
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Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 52,068
I think it is the same. I use aragaMILK to take the place of that kalk things.

I do not think that calcium carbonate is a useful additive. Aragamight, Aragmilk, and Kent Liquid Reactor essentially just fine sand that mostly ends up not dissolving in marine aqauria:

Calcium Carbonate as a Supplement
http://www.advancedaquarist.com/iss...ly2002/chem.htm
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  #11  
Old 02/18/2006, 10:59 AM
roons roons is offline
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Join Date: May 2005
Location: saugerties ,ny
Posts: 1,229
esv kalk, i used mrs wages till i got tired of questioning the brown film on the inside of my mix container......................i dont see the point in filling your tank with expensive live creatures and taking a gamble with additives to save a few bucks, fish and coral dont look like pickles to me
 


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