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#2
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Hi Wayne,
The assertion that Instant Ocean is the best salt seems to run contrary to a study published in the March, 2003 issue of Reefkeeping. Here's a link to that article: http://www.reefkeeping.com/issues/20...ture/index.php The article describes a bio-assay experiment comparing several different salt mixes (unfortunately Kent wasn't among them) to natural salt water by comparing the development of sea urchin larvae in each. The article goes into great detail about the methodology, a statistical analysis of the results, and certain inferences drawn from a chemical analysis of the commercial products. The bottom line of the testing was that Instant Ocean and Coralife came out looking pretty bad, both in terms of urchin development and of the levels of undesirable metals in the products. Of the salts tested, the winner by a pretty fair margin seems to be Crystal Seas Marinemix - Bioassay Formula made by Marine Enterprises International, Inc. This product's make-up was the closest to NSW and it actually had a slightly better urchin development result than did NSW. Brackishly yours, Alex |
#3
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Tidepool Geek wrote:
Of the salts tested, the winner by a pretty fair margin seems to be Crystal Seas Marinemix - Bioassay Formula made by Marine Enterprises International, Inc. This product's make-up was the closest to NSW and it actually had a slightly better urchin development result than did NSW. Just did a quick search and found this on Reef Central ... Crystal Seas Marinemix causes bleaching? http://reefcentral.com/forums/showth...12#post1179412 Opinions? |
#4
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"Tidepool Geek" wrote in message oups.com...
The assertion that Instant Ocean is the best salt seems to run contrary to a study published in the March, 2003 issue of Reefkeeping. Here's a link to that article: http://www.reefkeeping.com/issues/20...ture/index.php The article describes a bio-assay experiment comparing several different salt mixes (unfortunately Kent wasn't among them) to natural salt water by comparing the development of sea urchin larvae in each. The article goes into great detail about the methodology, a statistical analysis of the results, and certain inferences drawn from a chemical analysis of the commercial products. The bottom line of the testing was that Instant Ocean and Coralife came out looking pretty bad, both in terms of urchin development and of the levels of undesirable metals in the products. Of the salts tested, the winner by a pretty fair margin seems to be Crystal Seas Marinemix - Bioassay Formula made by Marine Enterprises International, Inc. This product's make-up was the closest to NSW and it actually had a slightly better urchin development result than did NSW. I wonder why then so many marine zoology labolatories and commercial aquariums like Chciago Oceanarium are using the same salf which is so bad... What would be the purpose of studying a marine animal development in a salt mix causing damage and negatively influencing development ? Have you got the chance to hear the opinion of salt manufacturer ? Have you tried to find a different explanations for the test results ? |
#5
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The new Aquarium in ATlanta has gone with Instant Ocean salt.....I
seen pics of the truck load of salt they got in during the filling of the thing.....Now if memory serves me right, Kent is based out of Georgia, and not too fara form ATlanta region, so if Kent salt was nothing more than IO in a Kent bag, why did they not save bunches of money and get it directly from Kent right down the road instead of paying shipping costs to have it sent in from IO.......Perhaps Wayne can tellus.... -- \\\|/// ( @ @ ) -----------oOOo(_)oOOo--------------- oooO ---------( )----Oooo---------------- \ ( ( ) \_) ) / (_/ The original frugal ponder! Koi-ahoi mates.... |
#6
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"Roy" wrote in message ...
The new Aquarium in ATlanta has gone with Instant Ocean salt.....I seen pics of the truck load of salt they got in during the filling of the thing.....Now if memory serves me right, Kent is based out of Georgia, and not too fara form ATlanta region, so if Kent salt was nothing more than IO in a Kent bag, why did they not save bunches of money and get it directly from Kent right down the road instead of paying shipping costs to have it sent in from IO.......Perhaps Wayne can tellus.... Easy explanation would be that KENT is targeting retail market, with this repacking IO salt for hobbists, not big commercial institutions. In other words - it prooves nothing. |
#7
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1-800-822-1100
Call Aquarium System tech support and find out. I doubt Kent and IO is the same "Roy" wrote in message ... The new Aquarium in ATlanta has gone with Instant Ocean salt.....I seen pics of the truck load of salt they got in during the filling of the thing.....Now if memory serves me right, Kent is based out of Georgia, and not too fara form ATlanta region, so if Kent salt was nothing more than IO in a Kent bag, why did they not save bunches of money and get it directly from Kent right down the road instead of paying shipping costs to have it sent in from IO.......Perhaps Wayne can tellus.... -- \\\|/// ( @ @ ) -----------oOOo(_)oOOo--------------- oooO ---------( )----Oooo---------------- \ ( ( ) \_) ) / (_/ The original frugal ponder! Koi-ahoi mates.... |
#8
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Roy wrote:
The new Aquarium in ATlanta has gone with Instant Ocean salt.....I seen pics of the truck load of salt they got in during the filling of the thing.....Now if memory serves me right, Kent is based out of Georgia, and not too fara form ATlanta region, so if Kent salt was nothing more than IO in a Kent bag, why did they not save bunches of money and get it directly from Kent right down the road instead of paying shipping costs to have it sent in from IO.......Perhaps Wayne can tellus.... Well, if Kent is simply repackaging IO, and the aquarium is buying truckloads of salt just like Kent is, then they should be able to get it from IO for about what Kent pays for it. That would make IO cheaper for them. George Patterson Coffee is only a way of stealing time that should by rights belong to your slightly older self. |
#9
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The topic of this thread is "What is the best salt" for a home
aquarium. Questions about the salt used by unidentified laboratories and a public aquarium that buys 100,000+ pounds of salt for one exhibit have little or no validity within this context. To establish the validity of your point, you should document the answers to these questions yourself. It is likewise inappropriate for you to expect me to research points that are in opposition to my own. I read Shimek's original bio-assay article in Reefkeeping and was satisfied by his methodology, his conclusions, and his inferences. Note that there is a difference between a conclusion and an inference and that Shimek was careful to avoid confusion between the two in his article and that I was careful to do the same in my post. Quite frankly, I have very little interest in whether there might be an alternative cause for the test results. The various salts were obtained in the same form in which a hobbyist would expect to get them and any alternate explanation, however unlikely, would be just as much cause for concern as is the possibility of metals toxicity. FWIW: I've read discussions about this article on several different forums and could find NO valid refutation of Shimek's findings even though there were many people who fervently wished to disagree. Google site searches of the IO and Coralife websites showed no sign of any refutation of Shimek's article. If you're interested, the terms I searched on we Shimek, assay, urchin, and larvae. So, if you wish to continue this discussion, here are a list of questions that you need to address: 1. What research labs are using either IO or Coralife and why? 2. Is the Shedd Aquarium (Chicago Oceanarium) using the same IO product that is marketed to hobbyist customers? 3. Why has Shedd chosen IO? 4. Is there an alternative explanation for the results that would result in a positive recommendation for IO or Coralife? 5. Have IO, Coralife, or any other entity published any sort of repeatable work that refutes Shimek's study? It's incumbent on you to answer these questions with facts rather than supposition and, if you really want to have a rational debate, to back up those facts with confirmable sources. Halitically yours, Alex |
#10
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"Tidepool Geek" wrote in message oups.com...
The topic of this thread is "What is the best salt" for a home aquarium. Questions about the salt used by unidentified laboratories and a public aquarium that buys 100,000+ pounds of salt for one exhibit have little or no validity within this context. This is your opinion. My opinion is quite different :-) Those questions should motivate you to think about the issue. You could wonder "why IO, so bad salt, is used by scientists in their experiments?" or "why IO, so bad salt, is used by commercial institutions interested in the maximum profit from their exhibits - why would they use salt giving bad results?" or "there are thousands of hobbyists using IO salt and they have successful tanks - would it be possible if IO was so bad?" Answer yourself all this questions and make your own decision not being manipulated by not-exactly-fair competitors game. To establish the validity of your point, you should document the answers to these questions yourself. I am convinced IO is good salt - have been using it with great success for over 3 years in my tanks. Fish only, reef and breeding maroon clownfish. There is no reason to be affraid of IO salt and buy overpriced salts which claim they are "better". It is likewise inappropriate for you to expect me to research points that are in opposition to my own. I read Shimek's original bio-assay article in Reefkeeping and was satisfied by his methodology, his conclusions, and his inferences. Note that there is a difference between a conclusion and an inference and that Shimek was careful to avoid confusion between the two in his article and that I was careful to do the same in my post. Hearing only one side of the issue does not make you a good judge. Quite frankly, I have very little interest in whether there might be an alternative cause for the test results. The various salts were obtained in the same form in which a hobbyist would expect to get them and any alternate explanation, however unlikely, would be just as much cause for concern as is the possibility of metals toxicity. FWIW: I've read discussions about this article on several different forums and could find NO valid refutation of Shimek's findings even though there were many people who fervently wished to disagree. The fact you did not find something is not a valid proof it does not exist. Google site searches of the IO and Coralife websites showed no sign of any refutation of Shimek's article. If you're interested, the terms I searched on we Shimek, assay, urchin, and larvae. I have heard opinion about Shimek's article from the salt manufacturer. He has pointed out several flaws in the article and the experiment itself. Now I have a better picture after hearing both: the prosecutor and the "victims" advocate. |
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