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Macro algea being a nutrient importer.
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Chris View Drop Down
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Joined: November 17 2004
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    Posted: April 11 2005 at 11:10pm
Today I noticed a lot of strange things happening with my tank. One thing was some of my macro algae had turned clear. When I went to remove the peice of macro algae it fell apart into nothing. What could have caused this to happen?
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jfinch View Drop Down
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Points: 7067 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jfinch Quote  Post ReplyReply Direct Link To This Post Posted: April 11 2005 at 11:30pm

If its dissolving then it's definitely importing nutrients (and if it's caulerpa, it might be introducing toxics).  Algaes will grow until nutrients become limiting to growth and then it will crash.  Harvesting more algae more frequently will help to keep this from happening again.  Also, make sure you have good water flow through the algae bed.

 

 

 

(you shouldn't have to worry about phosphates being released back into the water since macro algaes don't incorporate them... just kidding, inside joke , sorry.  You will likely see an increase in phosphates and/or nuisance algaes)
Jon

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Chris View Drop Down
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Points: 376 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris Quote  Post ReplyReply Direct Link To This Post Posted: April 11 2005 at 11:41pm
Its a large fern algae. I got it from Pistonfister who got it from fishman dan. I do not have a large amount of macros growing I have less then 2 handfuls. I have great flow through my refugium. I also protein skimmed about 1.5 cups of dark brown almost black water in the last 48 hours.
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Mark Peterson View Drop Down
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Points: 21436 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark Peterson Quote  Post ReplyReply Direct Link To This Post Posted: April 12 2005 at 3:23am
That large fern dissolved on me too. I only had a single strand of it so I didn't worry. I wonder if Fishman Dan has a higher nutrient level than we do?
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Arcar View Drop Down
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Points: 174 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Arcar Quote  Post ReplyReply Direct Link To This Post Posted: April 12 2005 at 8:56am
I had that suff all over my rocks, it took over my tank.. But one day It all died all of it I was so happy.. But after a few days every thing looked really bad.. I tested my tank and My Ammonia and Nitrates where very High.. So i got some live stuff to eat it away from the store and did a water change like 25% And it worked.. Now it is coming back.. But It will do the same again...
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