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Sulphur smell coming from saltwater mixing/storage tank (1 Viewer)

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cacarnold3

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Calling all chemistry buffs-
I have noticed the smell of rotten eggs coming from ONE of my saltwater reservoirs. This is the tank where I mix my 1.020 water and store it. I recently changed salt and thought that this was a by-product of that change (since I only noticed it shortly after) but know that this is not normal and might be a problem for the tanks where I use this water. After a little research and skimming an article on Reef Central, I found this bit of information:

"Raw artificial seawater made with pure fresh water does not have this concern, as there are no organics in it to decay. It can be stored unstirred for as long as desired".

Makes me question even more what the cause of the problem is. If anyone has suggestions, please let me know.

Thanks!
 

steveb

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rotten eggs is usually indicative of hydrogen sulfide - decomposition in the presence of low to no oxygen....

Are you using a salt with any vitamin additives like Reef Crystals? Circulating the water with a small pump causing surface disruption and hence oxygen exchange may be enough to get rid of it.
 
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