shaywood Posted July 27, 2018 Share Posted July 27, 2018 Setup a frag tank which has been running a couple months. I added some green slimmer and other greenish corals, which are growing but turning purple. Any ideas? I added a zoe and lobo which are keeping their color. Shawn Quote Link to comment Share on other sites More sharing options...
TheClark Posted July 28, 2018 Share Posted July 28, 2018 what are some differences between this tank and your display? Quote Link to comment Share on other sites More sharing options...
Oregonic Posted July 28, 2018 Share Posted July 28, 2018 I had same issue when I tried green slimer. Slowly turned purple till there was no green whatsoever. Following. Quote Link to comment Share on other sites More sharing options...
shaywood Posted July 28, 2018 Author Share Posted July 28, 2018 Interestingly, I'm using a prime HD LED light with nearly the same program schedule as my display tank. And, I'm using water from my main display tank. That said I don't think things are functioning the same as the display tank Quote Link to comment Share on other sites More sharing options...
TheClark Posted July 28, 2018 Share Posted July 28, 2018 That is so interesting. What is the magic variable? Light intensity/PAR? Perhaps? Quote Link to comment Share on other sites More sharing options...
shaywood Posted July 28, 2018 Author Share Posted July 28, 2018 Here's a couple pictures Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted July 30, 2018 Share Posted July 30, 2018 I would hazard a guess that it is different par level. Have you measured the par at both spots?> If you are near SW pdx you can borrow my par meter. Quote Link to comment Share on other sites More sharing options...
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