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Old 11-08-2009, 02:50 PM
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Angry Halimeda - Not really now...

I'm not sure where this came from, but I have this crap growing everywhere now, chewing up my calcium reserves to the point my CA reactor has a steady stream of CO2 just to keep up. Is there a tang or fish that eats this stuff? Or does anyone know a way of removing it (other than 1 piece at a time)

thx
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Last edited by Gizmo; 11-15-2009 at 02:45 AM.
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Old 11-08-2009, 04:17 PM
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Just want to verify, you mean this stuff:



I had this also, had no big problem with it, but when I wanted to put some SPS where this stuff was, I just plucked it out. Can't you just grab it and remove it? Just wondering...

Researching things I found this: Similar to chaeto, few animals will eat Halimeda except for one echinoderm, an urchin called Clypeaster rosaceus
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Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite)
Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker
Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO)
Type of Aquarium: mixed reef (SPS & LPS) with fish
Dosing: Mg, Ca, Alk

Last edited by globaldesigns; 11-08-2009 at 04:21 PM.
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Old 11-09-2009, 01:57 PM
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Yea thats the crap, Its growing from under zoo colonies and other such corals. Turning into quite the pest. Some of its turning black/brown w some white.
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Old 11-09-2009, 04:28 PM
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The black / brown stuff is dying, just pluck it off.

Actually, once a week pluck all that you can see... a couple major harvests will kill it. Halimeda doesn't tolerate heavy pruning.
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Old 11-15-2009, 02:28 AM
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So it turned out not to be Halimeda, here is a pic. Its just growing EVERYWHERE!




Any ideas?

thx
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Last edited by Gizmo; 11-15-2009 at 02:31 AM.
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Old 11-15-2009, 02:52 AM
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Dictyota...horrible stuff, as far as I'm concerned the worst pest algae out there
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Old 11-15-2009, 03:01 AM
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Naso tangs will eat it and so might foxfaces.
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Old 11-15-2009, 04:26 AM
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I found that when I was running Zeovit I had a ton of it. Then after Zeo and resuming a higher level of ALK it's all gone. Almost over night

J
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Old 11-15-2009, 04:42 AM
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I did check the levels today and alk is up at 13.6. Probably the highest its been. Cal is at 380. I'm running a phosban reactor, and checking the water column, its zero. NO3 is about 5ppm. Magnesium is 1440 and iodine is .1+ mg/L Ph is 8.1 and salinity is 1.021 I guess i'll start pruning it tomorrow. Figures.
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Old 11-15-2009, 09:36 PM
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I have some Dichtyota, but it's not a strong grower for me. I leave it, mine is a pretty blue color. None of my herbivorous animals will touch it.
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