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Old 01-13-2011, 03:44 PM   #1
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Leather/tree turning yellow/green

#1 I need an ID on this coral, and #2 a possible explanation for discoloration.



It used to look like this



But after I moved it a couple times in a week (which it usually will recover from) and then switched out the lights from the stock lamps (8 x T5HO Nova Extreme) to ATIs and Geisemann lamps, it turned pretty much white on the top. The bottom has almost always stayed "brown" (extended polyps) but now the top seems to be almost always "contracted" and looks more yellow/green than white. It has been this way now for a couple months.

Any suggestions, advice, or insight would be helpful.

general water parameters

pH 8 ish
Temp 75-77
Salinity 36
Ammonia 0
Nitrite 0
Nitrate 0
Phosphate 0.12 (and has been that way for a year)
KH 8 ish
Calcium varies 410-450 throughout week
Magnesium 1180 ish
Lights are 4' T5HO 5xATI Blue Plus 2x ATI Purple Plus 1x Geisemann Aquablue. 4 BPs on 7am-4pm, rest are on 8am-3pm
Tank is 125 w/250+ lb LR established running 3 years+
Filter is ATS running 3 months
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Old 01-17-2011, 04:02 PM   #2
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Mine went white when I had a phosphate and cyano problem,it also shrunk alot but is gradually coming back now my lighting is back on longer.
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Old 01-18-2011, 11:37 AM   #3
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Can anyone ID this coral for me?
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My tanks: 120 Reef w/L2 Algae Scrubber, 60 Reef Pond w/floating Algae Scrubber, 40 Breeder Reef w/L2 UAS Tester Algae Scrubber
I maintain: 144 SW Reef w/L2 Algae Scrubber | 200 SW Reef w/L4 Algae Scrubber
Special knowledge: Algae Scrubbers, Acrylic Fabrication
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