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10/17/2016, 08:51 PM | #51 |
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MSDS and COA sheet info for the 97% stuff linked to here:
http://www.dudadiesel.com/sheets.php The coa
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10/17/2016, 09:43 PM | #52 | |
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Add 18tbs CaCO3 then add RODI to the 900ml line.
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10/17/2016, 10:24 PM | #53 | |
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10/17/2016, 11:30 PM | #54 | |
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I don't think anyone has proposed that this is a method to supplement Ca. Only that it may be useful as a flocculant to help skimming or other types of mechanical filtration.
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10/18/2016, 12:49 AM | #55 | |
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10/18/2016, 06:15 AM | #56 | |
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There's some evidence that dosing lime may bind phosphates but not a significant amount. At least it has not been shown in practice afaik. Under: "What Else Does Limewater Do In An Aquarium? Reduce Phosphate" http://reefkeeping.com/issues/2005-01/rhf/index.php#15 There are some reasons to believe CaCO3 could help remove some metals and that PO4 could bind to it as well then get filtered out. Under: "export of metals" http://reefkeeping.com/issues/2003-04/rhf/feature/
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10/18/2016, 07:09 AM | #57 | ||
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Calcium carbonate (CaCO3) will not dissolve in a reef aquarium under normal circumstances. What it does, however, is act as a flocculent, binding small particulates along with some yellow dissolved organic matter (aka gelbstoff) to its surface, which will then be much more easily removed by the protein skimmer in the system (or really fine mechanical filtration). Some phosphate could also bind, but mostly at the higher end of a reef aquarium pH scale, and with my tank running a pH of 7.7-7.8, I have never personally measured any change in that regard. A far better binder for phosphate is lanthanum chloride. Kalkwasser (CaOH) when added to a reef aquarium will react with CO2 in the water and will separate into calcium and carbonate/bicarbonate. This will raise calcium and alkalinity levels, raise pH significantly if not dosed in small quantities, and can precipitate some phosphate which will bind with some organics for easier removal via skimming. Kalk generally should have little on water discoloration or turbidity as only minor amounts of organics will be bound. The binding effect of CaCO3 can be significant - see the photos in post 36 by Reefer PT. I can confirm those results. My well water after going through a $3000 purification system isn't even as clear as the 'after' results.
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10/18/2016, 07:46 AM | #58 |
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I love when you talk about a kz product like coral snow, people make "snake oil" statements. I have not done any scientific studies, but the results seem pretty outstanding to me. As for it precipitating out. I run a bare bottom tank and have noticed no more "sand" on the bottom then what I saw before dosing.
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10/18/2016, 07:48 AM | #59 | |
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10/18/2016, 08:42 AM | #60 |
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Never thought about that. I am running a lot of flow in my tank. So maybe it would precipitate out if I didn't have as much flow.
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10/18/2016, 08:44 AM | #61 | |
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10/18/2016, 08:57 AM | #62 |
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I have 2 mp40's on either end of the tank plus 2 rw20's on the back wall aimed at the bottoms of my "rock islands" I could create a hurricane if I wanted
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10/18/2016, 08:58 AM | #63 | |
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10/18/2016, 09:59 AM | #64 |
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I've got some flow going on too.
Two xf150/250's at 100% working together to churn plus around 1400gph from my return pump.
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10/18/2016, 06:03 PM | #65 |
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First of all ,all the korallen zucht products have secret retepy so nobody knows for sure if Coral snow is CaOH or CaCO3.The guy that sayd it could be clay might also be right.To find out what Coral snow is made of you should test that with a mass spectometer(not toy spectrocolorimeter we use in the hobby).Kalk, CaOH is best known phosphate binder in saltwater beating even the GFO(floculant if you want to call it that way because thoose floating matter are mostly made of phosphate and calcium).We all know that GFO binds phosphate verry well but the GFO is made for treating fresh water with a lower ph than 7 while the kalk works better than GFO if the if the ph is above.Dicalcium phosphate is made like this using kalk H3PO4 + Ca(OH)2 → CaHPO4 creating a sediment stone thats called monetite wich is made by thoose floating detritus that is your problem in the aquarium.With kalk you can do a lot of things in a reef aquarium like killing aiptasia or any nuisance coral,maintaining propper level of Ca and alk,bonding phosphates...
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10/18/2016, 06:40 PM | #66 | |
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And no, kalkwasser is not the best phosphate removal tool that reefers have, lanthanum chloride beats it out handily without any significant caveats like there would be if you dosed enough to do the same job.
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10/18/2016, 07:16 PM | #67 |
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I doubt that the KZ product contains Kalk. Kalk would raise the pH, and might cause calcium carbonate precipitation. Precipitating phosphate won't make the water clearer, nor is there much evidence that Kalk will cause such precipitation. I agree that calcium carbonate can act as a flocculant, although we don't know what's in the KZ product. Calcium carbonate will fizz when vinegar is added, and most clays likely won't, which might help as a first-order check.
Interestingly, the calcium carbonate product might adsorb phosphate along with causing some calcium carbonate precipitation. I think people have noticed this effect, anyway, although I have forgotten any numbers.
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10/18/2016, 07:39 PM | #68 | ||
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In fact, very first post shows kz coral snow dissolves in acetic acid as would CaCO3.
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10/18/2016, 07:48 PM | #69 | |
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And further information. Clacium hydroxide has a pH of around 12.
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10/18/2016, 07:55 PM | #70 |
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No spectometers were used.
FYI, biom who started this thread works at a laboratory.
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10/18/2016, 08:38 PM | #71 |
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I agree that the KZ product might be calcium carbonate, and probably is, but we'd need to use some lab equipment to be sure.
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10/18/2016, 08:45 PM | #72 |
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To be sure what it contains ,needs checked with a mass spectrometer.Looks like this and i doubt its used in the hobby by even most fanatic chemist reefer. In the hobby we rely more on assumptions and on tools that look like this toy.
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10/19/2016, 12:09 AM | #73 | |
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10/19/2016, 05:46 AM | #74 |
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2smokes, what exactly is your point? Don't use kz products because we don't know exactly what's in them? If that's it, well we know what's in 97% pure calcium carbonate. And people here have been arguing that it has good effect on water clarity. No one claims it's a phosphate binder, no one claims it's a food. No one claims it's a buffer, alkalinity or calcium additive.
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10/19/2016, 06:59 AM | #75 | |
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