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Old 02/01/2018, 06:50 PM   #1
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Join Date: Aug 2017
Location: Toronto, Canada
Posts: 38
Soft corals in new tank not opening as much

Hi all,

I have a fairly new tank. Been up and running about 2 months now (by up and running i mean with fish in it. Started cycling near end of October).

Ended up getting a few corals a week ago. For the first few days, they looked great. Just like they were when i had bought them. But for the last couple of days, they haven't been opening like they do typically. Especially the sympodium. Some pictures are below. Would anyone know why? I placed them fairly low in the tank. The tank is 20" deep and i put them maybe 3-4" from the bottom, so something like 16" deep. The frag tanks they came from had them maybe 2-3" below the water line, so much closer to the light. I'm thinking they aren't getting enough light, but i don't know why they were doing so fine for the first days if that was the case...


GSP, Day 1
GSP before.JPG

GSP, Day 7
GSP after.JPG

Mushroom, Day 1
Mushroom before.JPG

Mushroom, Day 7
Mushroom after.JPG

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Old 02/01/2018, 06:51 PM   #2
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Sympodium, Day 1:
Sympodium before.JPG

Sympodium, Day 7:
Sympodium after.JPG

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Old 02/07/2018, 03:45 AM   #3
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Join Date: Apr 2017
Location: England
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im no expert, just cycling my tank now, but you're probably best testing your water and putting your results on here, then someone with experience would be in a better position to help you.

4x Chromis, 2x Banngai Cardinal, 2x Clown, Yellow watchman Goby, Royal Grammer, 2x Peacock Wrasse, One spot Foxface
5' 150g DT, 25g sump, 110lbs LR + refugium
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Old 02/14/2018, 01:22 PM   #4
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It is most likely an adjustment to a new lighting system.

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Old 02/28/2018, 06:51 PM   #5
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Assuming your water is fine, I think maybe light also. But those usually do fine in pretty low light, so maybe it is too much light. No idea what your lights are so just guessing. Sympodium are tricky- I have had best luck with them in shaded positions.

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