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12-26-2007, 10:09 PM
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#1 (permalink)
| | Giant Squid
Join Date: Nov 2004 Location: Los Angeles, California Age: 20
Posts: 3,450
  
|  Long Term Low Salinity
Hey everyone,
I have a quick question. I just got a new hydrometer and tested my water, and saw that it was at a specific gravity of about 1.021-1.020....this is pretty low. But I'm pretty sure it has been like this for some time, and the corals and fish seem fine. I know that corals can grow without consequence in water of at leave above 1.018. I am going to slowly raise it back up to 1.023ish. I guess I just wanted to see if anyone keeps their salinity low for any reason? Excuse to go to the local fish store and get salt/MORE FISH! hah... _________ Tank Specs:
55 Gallon Mixed Reef
48" Tek Light: 4-54W T5 HO Fluorescents
Bulbs:
1 x 54w Fiji Purple T5 HO Fluorescent
1 x 54w Super Actinic Blue T5 HO Flourescent
1 x 54w 14000K AquaBlue 75/25 T5 HO Fluorescent
1 x 54w 10000k AquaSun T5 HO Fluorescent
Hard Stuff:
100+ lb. Fiji Live Rock
65+ lb. Live sand
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12-27-2007, 03:31 AM
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#2 (permalink)
| | Feather Star
Join Date: Oct 2007 Location: Groningen, The Netherlands Age: 25
Posts: 756
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Quote:
Originally Posted by Bruce  Hey everyone,
I have a quick question. I just got a new hydrometer and tested my water, and saw that it was at a specific gravity of about 1.021-1.020....this is pretty low. But I'm pretty sure it has been like this for some time, and the corals and fish seem fine. I know that corals can grow without consequence in water of at leave above 1.018. I am going to slowly raise it back up to 1.023ish. I guess I just wanted to see if anyone keeps their salinity low for any reason? Excuse to go to the local fish store and get salt/MORE FISH! hah... | Hey chap! One question, what is the temp of your water ?! (Salinity decreases with increasing temperature).  | |
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12-27-2007, 05:47 AM
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#3 (permalink)
| | Giant Squid
Join Date: Jan 2006 Location: Meriden, Connecticut Age: 43
Posts: 3,938
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Advanced Aquarist's Online Magazine - Aquarium Fish: Applications for Hyposalinity Therapy: The Benefits of Salinity Manipulation for Marine Fish
Check this out Bruce to help ya.
A low salinity that has gradually gotten that way will not have any negative results and you really don't have to be that concerned about it in my opinion. Just go slowly if you ultimatly plan on getting it up to 1.024-26 range. Problems will arise with elevating or decreasing salinity too quickly as you know! _________ 125gal.w/Mag9.5 return(dual megaflow)>Mag7 pump Aqua Cev180skimmer.Wave2k Hamilton Reefstar(2)250watthqi(mh)pend.a Yellow, Naso Tang Red Lip Blenny Percula Clown Demoiselles Niger Trigger F. Wrasses Ceriantharia Orn.Shrimp and Stars Hermits Queen Conch asst. snails> Stars Zoos shrooms Montipora Brains Gorgonians Favia Turbinaria(large+small polyp) Acropora Xenia Tridacna (CroceaMaximaSquamosa) Leathers <35+75gal.reef tank as well> 
"IF THE PHONE DOESN'T RING...IT'S ME"  jb  | |
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12-27-2007, 02:37 PM
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#4 (permalink)
| | Giant Squid
Join Date: Nov 2004 Location: Los Angeles, California Age: 20
Posts: 3,450
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Quote:
Originally Posted by coral reefer |
Yup yup, I feel as though the salt creep over the years combined my lack of water changes has created a slightly low salinity environment for my fish. Im going to try and bring it up slowy.
As for the temp, the tank stays 76-79 | |
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12-27-2007, 02:47 PM
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#5 (permalink)
| | Gnarly Old Codfish
Join Date: Sep 2003 Location: Silverdale, Washington Age: 59
Posts: 4,788
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Quote:
Originally Posted by Bruce Yup yup, I feel as though the salt creep over the years combined my lack of water changes has created a slightly low salinity environment for my fish. Im going to try and bring it up slowy.
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Skimmer will pull salt out also. Just put some salt in top off water for a while and keep an eye on. _________ AG "125," AquaC EV 180, 30 gal sump, "SCWD", 80 lbs LR, CoralSeaLife "Moonlite" Hood, PFO 250W HQI Mini-Pendant (SPS HQI 14000k bulb)
12 Gallon NanoCube - 24w stock PC 50/50 light "...nothing good ever happens fast in a reef tank, only bad things happen fast..."
- MIKE PALLETTA - (2008 Reef log) ("OmarD"/"Scott") | |
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12-27-2007, 08:23 PM
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#6 (permalink)
| | Zoanthid
Join Date: Jul 2006 Location: valencia,pa. Age: 34
Posts: 1,134
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any new additions to the tank may go into shock so i agree with bringing the salt up slowly so the new corals and fish you add will have a better chance.i run mine at 1.025 which i think is closer the natural.lfs run theirs lower because less bad things survive in it.
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55 gallon reef with 4x54 watt t5,29 gallon sump,red monti cap,1blue echinophyllia,trumpet,red lobo,2 toadstools 1purple and 1neon,gsp,xenia and yellow xenia,red ,many mushrooms,2 giant frilly shrooms,cabbage coral,yellow polyps,many zoos,1 orange and one neon green nepthia,duncans,cladiella | |
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12-27-2007, 08:33 PM
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#7 (permalink)
| | Flying Squid
Join Date: Apr 2007 Location: Louisville, GA Age: 45
Posts: 3,000
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Quote:
Originally Posted by Camilsky (Salinity decreases with increasing temperature). | does that also mean salinity increases when temp decreases? _________ Got Questions? Need Answers?
R.I.P. Big Blue 12/02-10/22//07
p.s. I'm a woman!   "Don't sweat the small stuff, the big stuff is right around the corner waitin' on your a$$!"....me
To new computer users; "When it asks you "Are You Sure You Want to Delete?". Make damn sure you want to delete, cause it's going bye bye"......me
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