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Old 01/07/2008, 10:07 PM   #1
jubjub
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whats your salinity

what salinity do everyone perfer to keep their tank at?
i been trying to keep mine from 1.021-1.022, does this seem a tad low any preferences?


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Old 01/07/2008, 10:08 PM   #2
reefrf
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Re: whats your salinity

Yes, that seems low to me. I keep mine at 1.025

Quote:
Originally posted by jubjubrsx
what salinity do everyone perfer to keep their tank at?
i been trying to keep mine from 1.021-1.022, does this seem a tad low any preferences?



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Old 01/07/2008, 10:10 PM   #3
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1.025 as well. Not such a big deal for most fish, but corals will appreciate the proper concentration of minerals and trace elements that comes from keeping salinity closer to natural levels.


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Old 01/07/2008, 10:14 PM   #4
jubjub
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ok im just really starting up mine....added the sand and everything the other night at about 1.021 so im hoping it will be fine...i just added some more salt to try to raise it up some....


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Old 01/07/2008, 10:35 PM   #5
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Do not get in the practice of adding salt to your tank! Mix it outside the tank and make sure it is well mixed-12 to 24 hours with a power head. With no inhabitants you might be ok now but salt can collect on the sand and dissolve very slow so you end up way high on SG.


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Old 01/07/2008, 10:37 PM   #6
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i like mine ay 1.022 so if any water evaporates the salinity doesn't go way to high (its a fish only tank though to


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Old 01/07/2008, 10:41 PM   #7
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i keep mine 1.025-1.026


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Old 01/07/2008, 10:43 PM   #8
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1.025


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Old 01/07/2008, 10:44 PM   #9
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I also keep mine at 1.025-1.026


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Old 01/07/2008, 11:04 PM   #10
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http://reefcentral.com/forums/showth...5&pagenumber=1


a good read on Salinity


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Old 01/07/2008, 11:15 PM   #11
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35 ppt. Just like the ocean

The numbers given above are specific gravity (SG), not salinity. SG is temperature dependant, and swing arm hydrometers are unreliable. Get a refractometer and some calibration fluid (don't use distilled water like the instructions say). You will use it ALL the time, so it is worth the 40-50 bucks.

Generally speaking, you are looking at an SG of 1.026 for a salinity of 35‰


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Old 01/07/2008, 11:52 PM   #12
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Mines at 1.026 (35ppt)


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Old 01/08/2008, 12:36 AM   #13
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Hoping it's at 1.025. Everything looks good though.


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Old 01/08/2008, 02:18 AM   #14
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I do 1.025, but when I had to rely on a cheap hydrometer I was always nervous it would be inaccurate, so ran the tank at 1.023.I figured that way the hydrometer could be off by as much as .003 without killing anything. Still not good practice, though, I know...


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Old 01/08/2008, 04:12 AM   #15
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1.026 but I measure it with a calibrated refractometer which is one of the most important tools you can own. If you don't have one, try and get one. Useful for acclimation as well as tank maintenance.


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Old 01/08/2008, 08:00 AM   #16
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.026-.025 (refrac)


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Old 01/08/2008, 08:43 AM   #17
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Where can I get a cheap calibration fluid from? They are $10 on ebay. I just order my refractometer for $50 and it should be getting here in about a week so I want to be ready.


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Old 01/08/2008, 08:47 AM   #18
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Pinpoint makes a great one. I got mine from Marine Depot but you may be able to find it on ebay as well. SG 1.0264


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Old 01/08/2008, 09:06 AM   #19
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I've been keeping mine at 1.023, but now I'm thinking I need to raise mine?


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Old 01/08/2008, 09:10 AM   #20
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Quote:
Originally posted by snorvich
Pinpoint makes a great one. I got mine from Marine Depot but you may be able to find it on ebay as well. SG 1.0264
That's the one I found of ebay for $10 shipped. The Filter Guys sells it for $3.25 but they charge $11.00 shipping.


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Old 01/08/2008, 09:23 AM   #21
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1.025. I've been using a swing arm for ages, but recently ordered a refractometer.


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Old 01/08/2008, 09:54 AM   #22
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I'd been keeping mine at 1.027 with SPS in future plans, but I've dropped it down to 1.025. I don't have an automated top-off (it's on its way), so the SG was sometimes swinging a little too high for comfort due to evaporation. I'd rather have a safer comfort zone.


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Old 01/08/2008, 10:33 AM   #23
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Mine is between 1.024 - 1.025 (refractometer)


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Old 01/08/2008, 10:47 AM   #24
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Mine is 1.024-1.026, with a refractometer


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Old 01/08/2008, 11:43 AM   #25
Brandon Cassidy
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Yeah Corals like a little more salinity. I keep mine at around 1.026
with regular replacement of evap water.


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