Dholmblad February 13, 2012 February 13, 2012 Recently this brown stringy algae has shown up on all of my rocks. All my corals besides a small zoa frag seem to be unaffected. None of the critters seem to want to help clean it up. Below are the best pictures I can get. It kinda looks like dinos but I am not sure.
Dholmblad February 13, 2012 Author February 13, 2012 also, I did have my skimmer offline for a few days while getting a new one. Now this one is breaking in, so I am unsure if it is pulling anything yet
davelin315 February 13, 2012 February 13, 2012 Can't really see it but what I do see appears to be slightly slimy so I'm guessing dinoflagellates.
Ben&Em February 13, 2012 February 13, 2012 Hard to determinefrom the picture. If its slimey and comes off the rock easy I'd guess cyano bacteria. What type of lighting do you use and how old are your bulbs?
Dholmblad February 13, 2012 Author February 13, 2012 Running two 250watt phoenix, unsure of age as they were we one hand. Seller said they were only used a few months
Dholmblad February 13, 2012 Author February 13, 2012 Can't really see it but what I do see appears to be slightly slimy so I'm guessing dinoflagellates. Any ideas how to get rid of Dino? I already run carbo and gfo in reactors
Dholmblad February 13, 2012 Author February 13, 2012 Can't really see it but what I do see appears to be slightly slimy so I'm guessing dinoflagellates. Any ideas how to get rid of Dino? I already run carbo and gfo in reactors
davelin315 February 13, 2012 February 13, 2012 Let it run its course. They'll use up what they need and they'll disappear.
Coral Hind February 13, 2012 February 13, 2012 If you blow at the rocks hard with a turkey baster or powerhead does the algae blow off or does it stay attached? If it stays attached then it isn't dino or cyano.
Jan February 13, 2012 February 13, 2012 I don't see brown stringy. It looks like detritus to me. How's the flow in your tank?
Dholmblad February 13, 2012 Author February 13, 2012 I dont have a ton of flow, mag 9.5 return 2x K4. But I am pretty sure that is enough to keep any detritus in the water column. The sand is clear, however the rocks are covered in this stuff.
Dholmblad February 14, 2012 Author February 14, 2012 I cut my lighting down by a few hours, well see if that helps. Also going to change out carbon/gfo. Today it was more stringy...
Coral Hind February 14, 2012 February 14, 2012 Have you determined what it is yet? Cutting lighting back isn't always the best thing. Sometimes just leaving the tank alone and letting it go the course will let the algae burn itself out. How long are the lights on for now? Do you have any corals in the tank?
Dholmblad February 14, 2012 Author February 14, 2012 Have you determined what it is yet? Cutting lighting back isn't always the best thing. Sometimes just leaving the tank alone and letting it go the course will let the algae burn itself out. How long are the lights on for now? Do you have any corals in the tank? I had the lights running from about 1-8 or 9. There are a number of the corals in the tank, all seem unaffected besides a zoa frag. And I think that one isnt doing so great more because I find it knocked onto the sand every morning. I read somewhere that dinos will be "gone" in the morning as they have used up all the oxygen, and then return throughout the day. Well every morning this stuff is all over my rocks.
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