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Old 11-22-2012, 10:38 PM   #1
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Natural seawater?

Does anyone use natural seawater for water changes? I mean it is the water in the ocean that I am trying to recreate anyway right? So why not just get my water from the ocean? I live about 10 mins from the beach.
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Old 11-22-2012, 10:47 PM   #2
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Many people do, but I personally wouldn't. Too many unknowns and potential contaminants IMO. If you know your baseline, everything is easier.
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Old 11-22-2012, 10:50 PM   #3
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Quote:
Originally Posted by HN1
Many people do, but I personally wouldn't. Too many unknowns and potential contaminants IMO. If you know your baseline, everything is easier.
+1 you never know what may have been dumped right up the beach and not all locations yield the same quality water. Some don't even have the same salinity.
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Old 11-22-2012, 10:51 PM   #4
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I have been using NSW for a about 2 months prior to Hurricane Sandy. I was getting nice color and polyp extension. I'm gonna wait another week before I collect again for water changes.
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Old 11-22-2012, 11:08 PM   #5
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I collect my water during high tide out in the jetties.
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Old 11-22-2012, 11:13 PM   #6
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I don't see why not because the lfs sells ocean water but they bring that water in from offshore (so they say) lol
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Old 11-23-2012, 12:38 AM   #7
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I only use ocean water if you know your area and the water is clean it's fine. the lfs here use it and sell it. Incoming high tide and check the salinity usually runs about .28 here. I cut it with some ro. No problems.
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Old 11-23-2012, 12:42 AM   #8
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I had asked this question years ago and one of the answers I received was, you should go out at least a half mile or so and get you water so you would get less contaminants from run off or sewage or anything else. But if you are on an island some where in the South Pacific...it might be ok. Lol
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Old 11-23-2012, 01:40 AM   #9
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I was under the impression ocean water sold by most LFS has been filtered, and uv treated before bring distributed. Personally if I ever used natural seawater collected myself I would do the same before adding it.
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Old 11-23-2012, 03:42 AM   #10
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I would store it in a black barrel with a power head for a week, then filter it. Lots of folks use natural seawater, but as mentioned above, you want water with no contaminates and parasites. That's why RO/DI with a good mix is maybe more consistent and sterile.
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