Specific Gravity

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possum

Aquarium Advice FINatic
Joined
Aug 7, 2003
Messages
643
Location
Louisiana
I just read in another post where someone said that 1.023 SG is too low?? I have been keeping my tank at 1.023 since i started and have never had any problems so is it really too low or what??
 
It is a little low for inverts (both sessile and mobile) according to a lot of new research coming out. I keep my tank around 1.025-1.026.
 
For fish only systems I think 1.019-1.025 is a fine range as long as the SG that is selected is kept consitant.

For reef setups I think 1.023-1.025 is the more desirable range.
 
I have mine between 1.025-1.026.. Ahh another few more days before I get my Refracto

James
 
The higher the temp the less oxygen in your water.

Higher the specific gravity, the more suseptible your fish are to certain illness.

This is what I was told, if this is not true please let me know.

Thx

Jc
 
I recently read an article on natural coral reefs. SG in the ocean around these is any where from 1.025-1.028, much higher than 1.023 obviously. The average temp. was about 82 degrees F., but could get as high as 90-92 at times on some reefs! I can't find the link to this article at this time.
 
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