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Old 02-22-2014, 11:23 PM   #1
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Purple algae killing my sun coral

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Can anyone er amend treatment for this stuff! Happened very quick in a couple days!
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Old 02-23-2014, 07:10 AM   #2
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Honestly I would rush it into an iodine dip and see if it helps at all. Maybe a 5 min dip?
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Old 02-23-2014, 12:16 PM   #3
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I don't see algae, I see the black/white sand in there.
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Old 02-23-2014, 05:17 PM   #4
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Purple algae killing my sun coral

I assume they are Tubastrea sp. Are these out in the open or in a shaded area? They are non photosynthetic and like moderate flow. They should be located in the shade and hand fed.
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Old 02-23-2014, 05:28 PM   #5
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Yes they are I keep it in low indirect lighted area and have been hand feeding it ! Half is fine the other half had this purple or black stuff killing it!
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Old 02-23-2014, 05:38 PM   #6
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It may be Cyanobacteria. Is it easily removed?
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Old 02-23-2014, 05:57 PM   #7
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Each head has to be individually fed.
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Old 02-23-2014, 06:22 PM   #8
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This morning I dipped it in coral rx, but decided I did not want to risk the algae spreading so I fragged the sick half and just kept the good half! I feed it by covering it with a bottle too and feed it inside there! Works well, but the last 2 feeds the infected side was not opening!
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Old 02-23-2014, 06:26 PM   #9
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If it's cyano, it can smother the coral. Try removing it with a blast if water. If it doesn't budge, it may be another type of algae. Unfortunately there is a chance the algae is there because the polyps are deteriorating from other causes.
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Old 02-23-2014, 06:30 PM   #10
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I know I struggled to feed it in the beginning, so maybe those were weak! The algae would not blast off with water! It looked black when I pulled it out of the tank
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