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  #126  
Old 01/07/2008, 01:44 PM
Randy Holmes-Farley Randy Holmes-Farley is offline
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FWIW, here's the link that Greg posted in a clickable form:

http://www.discovertesting.com/produ...%20Spa%20Check
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  #127  
Old 01/11/2008, 08:33 AM
jasonmartin1313 jasonmartin1313 is offline
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Randy any ideas if this is suitable?
Brand SWI it came in from China

SWI Calcium Chloride 77-80% Pure Flake 80#
CAS# Calcioum Chloride 010043-52-4 77-80%
Sodium Chloride 007647-14-5 1.5-2.5%
Potassium Chloride 007447-40-7 1.0-2.5%
Water 007732-18-5 Balance
  #128  
Old 01/11/2008, 08:40 AM
Randy Holmes-Farley Randy Holmes-Farley is offline
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One cannot tell from such an analysis.
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  #129  
Old 01/11/2008, 02:50 PM
hypernesia hypernesia is offline
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I contacted the company that sells the Bromine test kits. It reads from 0-20ppm. 1mg/l = 1 ppm so that reads to low for use in reef aquaria. Correct me if I'm wrong?
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  #130  
Old 01/11/2008, 02:57 PM
jdieck jdieck is offline
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Quote:
Originally posted by hypernesia
I contacted the company that sells the Bromine test kits. It reads from 0-20ppm. 1mg/l = 1 ppm so that reads to low for use in reef aquaria. Correct me if I'm wrong?
If there is no other interference, it might be possible to get a good approximation reading by diluting the sample using RO/DI or distilled water.
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  #131  
Old 01/11/2008, 02:58 PM
Randy Holmes-Farley Randy Holmes-Farley is offline
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We are concerned with bromide (Br-), not bromine (Br2). Bromine test kits as for pools are not useful for us.

The difference is the same as chloride (Cl-; 19,000 ppm in seawater) and chlorine (Cl2; 1 ppm will kill everything in the tank).
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  #132  
Old 01/11/2008, 03:01 PM
hypernesia hypernesia is offline
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Trial and error right? 5ml sample diluted in 100ml RO/DI. If you get a reading on the test kit multiply by 20?
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  #133  
Old 01/11/2008, 03:06 PM
hypernesia hypernesia is offline
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Oops. Correct So its back to nitric acid and Silver nitrate. Even if i could get my hands on it my wife wouldn't let it in the kitchen
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  #134  
Old 01/11/2008, 03:07 PM
Randy Holmes-Farley Randy Holmes-Farley is offline
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I doubt that will work in seawater either.
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  #135  
Old 01/11/2008, 03:19 PM
hypernesia hypernesia is offline
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FWIW I have been using this years Prestone Driveway heat since Oct 07 havevn't seen anything suspicious. Just caught this thread a week ago. So is anyone willing to be a guinea pig with the new Dow product? Even though I haven't seen an issue in my tank, I'm not sure I want to be the one, killing livestock isn't worth the rick IMO
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  #136  
Old 01/11/2008, 03:28 PM
Randy Holmes-Farley Randy Holmes-Farley is offline
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I'm sure lots of folks have been using it, but if they have any troubles they won't know that this might be a possibility. Especially when we don't know what to even look for as the first sign of a problem.
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  #137  
Old 01/11/2008, 03:32 PM
hypernesia hypernesia is offline
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Understand... kalk reactor here we come
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  #138  
Old 01/12/2008, 12:10 AM
tmz tmz is offline
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Quote:
Originally posted by hypernesia
FWIW I have been using this years Prestone Driveway heat since Oct 07 havevn't seen anything suspicious. Just caught this thread a week ago. So is anyone willing to be a guinea pig with the new Dow product? Even though I haven't seen an issue in my tank, I'm not sure I want to be the one, killing livestock isn't worth the rick IMO
FYI You are already. Prestone Driveway Heat is a Dow product. Anhydrous cacium chloride.(it has less water than the flake)
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  #139  
Old 01/12/2008, 12:28 AM
jdieck jdieck is offline
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Quote:
Originally posted by tmz
FYI You are already. Prestone Driveway Heat is a Dow product. Anhydrous cacium chloride.(it has less water than the flake)
Actually it seems to be monohydrate rather than anhydrous. In any case it has less water than the flake (dihydrate) which will make only a diference in concentration of Calcium and Chloride per unit of weight
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