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04-26-2007, 07:11 PM
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#31 (permalink)
| | Fire Worm
Join Date: Dec 2006 Location: Albuquerque, NM Age: 40
Posts: 152
Karma: 61
 
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I have a FOWLER with a single hermit (right now). Things seem to be good at 1.023.
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26 gal Eclipse tank with live rock. 1 - Bi-Colored Blenny 1- Maroon Clown 1- Yellow Tang 3- Hermit Crabs (Inky, Blinky, Clyde) 1 - Turbo Snail 1-Peppermint Shrimp | 
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04-26-2007, 08:26 PM
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#32 (permalink)
| | Skunk Shrimp
Join Date: Apr 2007
Posts: 287
Karma: 71
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whoo! big money! all that space for a single hermit?? lol... anyway, i'm trying to keep mine at 1.024... that seems to be the norm... oh, on a side note, does temperature have something to do with specific gravity? today i was doing a water change, and i put 2 gallons of water in a trash can (clean of course!) and a cup of instant ocean... the water was cold (i took my thermometer out of the tank and put it in the can to see how cold, it was about 50)... and i tested the SG, and it said 1.020 or maybe even lower, i can't exactly remember... oh, and i ran a powerhead in there, so the salt wouldn't just sink to the bottom.... | |
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04-28-2007, 08:54 PM
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#33 (permalink)
| | Sea Dragon
Join Date: Nov 2005 Location: Northern Virginia Age: 50
Posts: 512
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Yes, temperature affects specific gravity. The colder the water, the higher the specific gravity (everything else being the same). _________ -- SAW39 45 gal modified hex. Started and cycled August 2005.
2 Serpent Stars, Ocelaris Clown, Yellow Tang, 3 Green Chromis damsels, Macrodactyla dorensis anemone, 1 giant Bristleworm.
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04-28-2007, 09:34 PM
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#34 (permalink)
| | Gnarly Old Codfish
Join Date: Sep 2003 Location: Silverdale, Washington Age: 59
Posts: 4,777
  
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Yes, SAW39 is correct.
Comparing tank salinities without knowing temperature is meaningless.
Salinity, density, is correlated with temperature.
i.e. If the density reads 1.0250 at 68 degrees F - it will read 1.0274 if the temperature rises to 77 degrees F.
See chart http://www.msc.ucla.edu/oceanglobe/p...nsal_chart.pdf)
My tank seems to like 1.0245 at 78 degrees.
How you measure is also significant. If you do not have one of these, get one. Marine Depot has them at a good price--$49.99. Marine Depot Aquarium Refractometer - Marine Depot - Marine and Reef Aquarium Super Store
Bought mine long ago and has paid for itself over and over. (think we all got about the same time, Jason, et.al.)
Float types are just not that accurate and may give a false reading for something absolutly essential to the life of your tank inhabitants.
rgds, OmarD  _________ 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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11-18-2007, 06:23 AM
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#35 (permalink)
| | Torch Coral
Join Date: Jul 2007 Location: Baltimore, MD Age: 47
Posts: 1,195
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Both tanks, 1.026...  _________ 72 gallon bowed 150lbs LR 60 lbs LS
2 Percs
1 Chevron Tang
Hippo Tang
Six Line Wrasse
Coral Banded Shrimp
Cleaner Shrimp
Starry Blenny
4 Lyretail Anthias
Long Polyp Toadstool
Montipora
Long Tentacle Anenome
Short tentacle plate
Pulsing Xenia
Green Star polyps
Frogspawn
29 gallon
2 Clown
1 Coral Beauty
1 Fairy Wrasse
24 FOWLR
Dwarf Lion
125 gallon African Cichlid Tank http://home.comcast.net/~pizzal/index.html
[SIGPIC][/SIGPIC]
"The more you learn, the more acutely aware you become of your ignorance" | |
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11-18-2007, 06:49 AM
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#36 (permalink)
| | PICTURE POLICE
Join Date: Jul 2007 Location: Miami, FL Age: 39
Posts: 5,570
  
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My tank will fluctuate due to evaporation, but I try to keep it at 1.024. My temp is steady at 78.8 degrees. _________ 9YR OLD 90G/55g custom sump/refug Mag18 Aquac 180skimmer 692w MH AC jr,yel&kole tang,midas&convict blenny,B&G chromies,Blk/yel fin chromie blackcap,nemo,neon goby,6line; Blastomussa Merleti,Acan ,BUBBLE,Torch,LTA, Acropora(2) Moon, assort zoas, yel& G star polyps, P&B ricordia, montiporas, cup&candy corals, xenias,B/G mush,flower ane(2), cherry red mussa, dusters,cleaning crew..  | 
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11-18-2007, 08:38 AM
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#37 (permalink)
| | Stylophora
Join Date: Oct 2007 Location: Groningen, The Netherlands Age: 26
Posts: 992
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1.024 @ 79F... Cheers!  | |
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11-18-2007, 09:08 AM
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#38 (permalink)
| | Gnarly Old Codfish
Join Date: Sep 2003 Location: Silverdale, Washington Age: 59
Posts: 4,777
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Quote:
Originally Posted by Camilsky  1.024 @ 79F... Cheers! | Ditto...leaves a little room for measuring error either way...  | |
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03-04-2008, 09:46 PM
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#39 (permalink)
| | Astrea Snail
Join Date: Mar 2008 Location: Ontario/Canada
Posts: 73
Karma: 2
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1.026 for sure.
Use refractometer to make proper measurement.
Talking reef, need proper salinity for proper balance. | |
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03-05-2008, 12:41 AM
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#40 (permalink)
| | Tonozukai Fairy Wrasse
Join Date: Apr 2007 Location: joliet,il Age: 41
Posts: 2,252
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1.026 @ 80 F
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the easiest day was yesterday | |
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