View Full Version : Salinity for a Fish tank
Dollarbill
04/18/2006, 08:57 PM
1) Is the recommended salinity 35 ppt (1.026) if I am just putting live rock and fish in my tank. Basically no corrals (for me yet) in the beginning.
2) Also I have 3- 175 watt MH bulbs built into the canopy, if i run those will that help to cycle my tank "quicker" because of the extra algae it might grow? Thank you. db
bertoni
04/18/2006, 08:59 PM
1) I'd still target 1.026. That's the natural environment, for the most part.
2) Maybe, but I doubt it'd help much unless you added a tough macroalga. You might also see the spread of pest macroalgae.
meco65
04/18/2006, 09:13 PM
True sea water is not at 1.026 its more like 1.024. And if you check it after a rain it lower than that.
meco65
04/18/2006, 09:37 PM
bump
Dollarbill
04/18/2006, 10:02 PM
Hey thanks man. I just discovered 3 really cool leaks in the bulk head underneath the tank. 10:00pm time for more fun I guess? This thing came with an iwaki md70- rlt and holy crap does it move the water. emptyies my sump (25gal. approx) in what seemed to be less than 10 seconds easy. I wonder if its to much? Have a great night. Any input on the pump? Thanks. db
Dollarbill
04/18/2006, 10:03 PM
empties...ha
emoore
04/18/2006, 10:08 PM
<a href=showthread.php?s=&postid=7203576#post7203576 target=_blank>Originally posted</a> by meco65
True sea water is not at 1.026 its more like 1.024. And if you check it after a rain it lower than that.
According to Randy’s article reefs average 1.025-1.027. I think 1.026 is good.
http://reefkeeping.com/issues/2004-05/rhf/index.php
bertoni
04/19/2006, 12:29 AM
Salinity does change when it rains, but usually moves back to normal fairly quickly. This article talks about water parameters and has references:
http://www.reefkeeping.com/issues/2004-05/rhf/index.php
I would say the canonical average sea water is about 1.0265, depending on the reference temperature. For conductivity, it's 53 ms at 25 C, if memory serves. Salinity does vary with the region, and even the depth. Millero's book, "Chemical Oceanography", has some salinity charts, as well. Page 16 is the first one.
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