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Old 09-22-2009, 08:26 AM   #1
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Brown Algae Issue

Hi Guys
I'm not sure what's going on, but I found this brown waivey brown stuff (Kind of slippery) on my LR, it doesn't blow off the rock. Also there is something small growing on it and it's in several places, you'll notice it on the upper left of the Pics. I don't know what it is and need help with identification and fix. Additional Information, I was using IO and have begun introducing Reef crystals, Last PWC was 30 gallons 1/2 of which I used RC. Thanx

Oh Yeah almost forgot the parameters.
Water
Temp=80
PH=8.3
SG=1.025
Nitrates=0
Nitrites=0
Ammonia=0
Calcium=440
ALK=9
Silicates=.2-.5
Phosphates=0

Tank Specs
Size=120 Gallon 60x18x26
Skimmer=Reef Octopus BH-800S HOB
Heater=2 400 watt Hydor theo
Substrate=5" of Aragonite 140lbs
LR=150 lbs
Filter=Eheim 2080 (450 gph)
Power heads= 2 Koralia 3's (850 gph each)
Salt Mix= was Instant Ocean but started introducing Reef Crystals.

Lighting
MH=250watt x 2
MH Lamps=Phoenix 14000k HQI DE x 2
MH Time on=6hrs
MH height above water=10"
T5HO=48" 54watt x 4
T5HO=48" 54watt x 2 UV lighting Super Actinic 420nm
T5HO=48" 54watt x 2 UV lighting Actinic White 12000k
T5HO Time on=10hrs
T5HO height above water=10"





Any and all help is greatly appreciated, If any additional info is needed please let me know and I will do my best to get it.
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Old 09-22-2009, 09:16 AM   #2
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Keith, the creature looks like an anemone...maybe a small Aiptasia or Majano anemone, hard to tell. It looks like you have more then one. Does the brown "stuff" rub off? Your readings looks on the money. again hard to tell. You might have to cut back on the lights a little for awhile.
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Old 09-22-2009, 09:54 AM   #3
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it could be dinos or just plain ol diatoms ..
Dinos will be a pain in the butt to remove I had them it took me a over year to tackle it , it will look like green hair algea only brown it over took every square inch of this tank I still get small out breaks but on the glass and equipment which I can remove and soak in a vinegar bath .. .. best description I have seen is brown snot and it is stringy .. Your description is that of dinoflatulattes (sp) are a bacteria and must be manually removed and killed with water changes ....this stuff will kill out corals .. fish etc..
Cleaning all your mixing equipment , tank equipment is a MUST to keep it from going back in ... it is ALOT of work but you can kick it ...Going dark will not really help ... but taking out your rock scrubbing them off and doing a few 80% water changes a week will help ....
When I had ours I was sooooo fustrated that I tore the tank down scrubbed the rock only to have it return a few days later ... it was difficult to get ID'd so we thought it was persistent diatoms only after finding out what I believed it was could I go at it ... I went with new ro/di (I also was switching salts out at that time too from IO to RC I was unsure if there was a correlation or not ) I used ro/di for top offs , and mixing .. I took a tooth brush scrubbed every rock that I could ... I did a 90% water change then a few days later I did a couple more gallons , a week later I did another large water change I did about 10 large along with small water changes and after that I noticed it was going away ... my fish seemed fine and believe it or not I did not have a cycle ..now I do a weekly 50% water change to keep this stuff out ... If you do it the way I did use caution !! It was so bad at one point I wanted to tear the tank down and start all over ...
The reason your readings are spot on this stuff utilizes it quicker than any thing therefore nullifying your test readings readings ..
What kind of water are you using
if it is a Diatoms are normal from a new tank ... they generally respond to extra nutrients and will die off in a couple weeks .. How old is this tank ...GL on this stuff
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Old 09-22-2009, 10:11 AM   #4
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New tank?
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Old 09-22-2009, 10:28 AM   #5
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It's about 3.5 months.
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Old 09-22-2009, 10:30 AM   #6
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Look up diatoms. May not be though. The seem to show up and go away within the first weeks after cycling. Articles on this site might help you too.
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Old 09-22-2009, 11:48 AM   #7
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"Silicates=.2-.5". I think that is your problem. It's all about your tank maturing and it should burn itself out.
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Old 09-22-2009, 11:56 AM   #8
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Maybe Cyanobacteria. Redslime.
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Old 09-22-2009, 12:20 PM   #9
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BTW, how long are your lights on daily?
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Old 09-22-2009, 12:25 PM   #10
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Quote:
Originally Posted by austinsdad View Post
BTW, how long are your lights on daily?
MH's are on for 6hrs and the T5HO's for 10hrs.
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