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Increased salinity = increased photosynthesis?


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  1. #1
    segraves1 - Reefkeeper CR Member
    Join Date
    Oct 2005
    Location
    Fountain Hills, AZ
    Posts
    284

    Default Increased salinity = increased photosynthesis?

    #ed_op#DIV#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#Has anyone else noticed this (could be coincidence)?#ed_op#?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#When I first set the tank up, I kept my specific gravityat ~1.022 and at that level there were oxygen bubbles released by the algae on the live rock. My pump pulled too much fresh water in one day so the salinity dropped to ~1.020 (nothing was hurt)and I noticed the algae was not releasing oxygen bubbles like it usually did. As I increased the salinity back up to ~1.022, the bubbles came back. #ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#Now I am keeping the tank at ~1.024 and am seeing even more oxygen bubbles rising off the algae. Through all of this, the tank has been under the same conditions (~temp, same 120watts NO, same day/night period). #ed_op#/P#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl#

  2. #2
    davejnz - Reefkeeper CR Member
    Join Date
    Sep 2004
    Location
    Daytona Bch,FL
    Posts
    1,446

    Default

    Not sure on if salinity affects photosynthesis in algae.I think it would be safe to assume that salinity swings could affect it.BTW,natural sea water is 1.026

  3. #3
    segraves1 - Reefkeeper CR Member
    Join Date
    Oct 2005
    Location
    Fountain Hills, AZ
    Posts
    284

    Default

    so I still have a little ways to go on getting the salinity up......thanks
    Chris

    100gal show
    fish, polups, and LPSs

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