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USMCSSgt

SALT SPECIFICATIONS

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USMCSSgt   

Here is a list of salts and their property specs.

Posted in ReefCentral

Here is a list of what I measured for the big three in a number of the salt mixes we use today. This is intended as a guideline and I, in no way, guarantee these figures. All I can say is they were all tested under the same conditions, with a number of different brand test kits, using the same methods for each test. I believe these numbers are reasonably what you can expect from these salts mixed at 35 ppt or 1.0264

A special thanks to Bertoni for putting it in nice form.

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USMCSSgt   

NO I was just posting useful information, it would be nice if we could put this as a sticky at the top of the forum, so that it is easier to access and referance. The Gulfarium uses and sells the CrystalSea Marine Mix.

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The information is definitely useful. Where did you get this from? Jade, I too was under the impression that the bioassay stuff was supposed to be wonderful. I wonder if there is something else in there not mentioned on the chart. My other question is could it be the balance? I think we all know that there is a balance between the alk and cal so if one goes way up the other tends to drop. I wonder if it could be the balance of cal to alk that would make one better than the other while still having a lesser cal number when freshly mixed.

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There's another salt study (actually, I think there are a couple) that goes into a little more depth and lists the concentrations of many of the trace elements and compares them to levels that occur naturally. That's the one place I find this chart lacking. I think this information has caused many people to start using other salts, but there are a few brands that contain excessive levels of things like sulfides. I can't remember the details of the other salts (and the study may not have included all the ones listed here), but both Instant Ocean and Reef Crystals were pretty good across the board. Anyway, I'll see if I can track down that study again just for a little more information. Here's one other study. It's not the one I was thinking of, but contains some additional information: http://www.aquariumwatertesting.com/AWT_Salt_Analysis_0208.pdf

Anyway, this is a good guide, and the information is layed out in a very nice format, which I like. I think the other study used molar weight as a measurement, which required entirely too much work on my part to convert to something I'm used to seeing. Anyway, I just want to advise that you shouldn't be too quick to switch your salt based entirely upon this information, but it can certainly give you something to think about.

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DrHank   

Mike, I somewhat agree with you. Although this chart doesn't tell it all, I think that it's a good place to start. You can easily see what compares to what else in the areas of Ca, Mg and Alk. Since these are what we are primarily trying to achieve by supplementation, I think that it's a good starting point. It can give you an idea of how much of what you will need to adjust the initial parameters to what you want.

I know of some folks who don't supplement at all, just do weekly 10% water changes. They have beautiful tanks and use one of the salts mentioned above with the higher levels of Ca, Mg and a higher Alk. This chart is very helpful IMO for the average hobbiest.

Austin, again, thanks for posting it.

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Ah man, you just had to go and post a full blown research paper! :shock: As if I'm not getting enough of that researching my own paper and writing my own proposal. LOL

Well, since it is good research and useful information I guess I will forgive you. ;)

Thanks for the info.

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DrHank   

This should answer your question Chris.

http://www.reefcentral.com/forums/showt ... id=1287118

It really isn't to say that one salt is better than another. Just to give an idea of what the Ca, Mg & Alk levels are. The individual hobbiest can draw whatever conclusions they like. I moved up from IO to RC because of my own similar findings. I'm considering moving from RC to Seachem Reef. Doesn't mean that there is anything wrong with the others. I'm just a bit lazy and thinking that my corals might like a salt that has higher Ca and Mg than what I'm currently using.

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