talkalot82 Posted October 4, 2017 Share Posted October 4, 2017 (edited) So a friend sent me A picture of her reef aquarium. Two weeks ago it was perfect. A few days ago these she said showed up. And hair algae. Same time. She has water changes every two weeks. Reef Chrystal salt and ro water. Ro machine has new filters. I can’t tell in picture what they might be. Can you? They are covering the tank. 72 gallon. With sump, skimmer, etc. tank pars as I know of as of yesterday. 77 degrees, kh7, ca500, not sure about rest of her tests. She didn’t say in pic. As of late August she did get new leds. My guess if it takes over the tank that fast not good, but I don’t know what they are. I know the hair algae of course. 262A0FB2-8A29-41F3-B524-0B5A34D8FEA9.mov Edited October 5, 2017 by talkalot82 Added pic Quote Link to comment Share on other sites More sharing options...
youcallmenny Posted October 4, 2017 Share Posted October 4, 2017 (edited) Picture is a little fuzzy but looks like majano's. Edit: that was just a guess and evidently I was incorrect. Disregard. Edited October 5, 2017 by youcallmenny Quote Link to comment Share on other sites More sharing options...
albertareef Posted October 4, 2017 Share Posted October 4, 2017 7 hours ago, youcallmenny said: Picture is a little fuzzy but looks like majano's. Hmm... having lost a tank to majano's before, mine did not look like that and they also didn't expand that fast. True, a bit tricky to tell from the photo but I would lean toward them being something else. Unfortunately, I'm not sure what. 1 Quote Link to comment Share on other sites More sharing options...
talkalot82 Posted October 6, 2017 Author Share Posted October 6, 2017 New pic added. Any ideas Quote Link to comment Share on other sites More sharing options...
albertareef Posted October 6, 2017 Share Posted October 6, 2017 15 minutes ago, talkalot82 said: New pic added. Any ideas That pic is definitely clearer but I still don't know. In a case like this, I would ask one of the pro's like @badxgillen I am intrigued so hopefully he will have some idea. Quote Link to comment Share on other sites More sharing options...
badxgillen Posted October 6, 2017 Share Posted October 6, 2017 Reminds me of a time there was a colonial tunicate spawning, they can settle out everywhere but in the long run usually only take hold on places that are hospitable. Quote Link to comment Share on other sites More sharing options...
badxgillen Posted October 6, 2017 Share Posted October 6, 2017 Are they stationary, are they soft to the touch? If they are tunicates they may very well fade away when the nutrient loads come down from fighting off the hair algae. At some point the tank will only be able to support so many and it should stabilize once the tank does. Is this a newer system? They are almost all suspension feeders with the smaller varieties being able to feed off of things as small as bacteria. 1 Quote Link to comment Share on other sites More sharing options...
talkalot82 Posted October 6, 2017 Author Share Posted October 6, 2017 No the tank is 5 years at least. Though about two weeks ago she switched to leds from t5s. Thats when she started witb hair algae and these. And also adding started adding fish back into her tank 4 weeks ago. . She's been without fish for over 9 months I think. She had a parasite and we had removed everything for treatment and to make sure it was dead. Quote Link to comment Share on other sites More sharing options...
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