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Old 03-22-2010, 03:01 AM
art art is offline
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I have something growing in my tank. It looks a lot like Cyanobacteria except that it is brown. Also the snails seem to eat it, though reluctantly. Could I have help naming it and what I can do to get rid of it. My tank is fairly new, but was set up with (all) sand out of an established tank.

Last edited by art; 02-20-2011 at 12:47 AM.
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Old 03-22-2010, 03:06 AM
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looks like dinoflagellates. Im having the same issue in my tank
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Old 03-23-2010, 02:49 AM
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Thanks, do you have any suggestions on what maybe causing it. There is something wrong in my tank and I can't put my finger on it.
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Old 03-23-2010, 03:12 AM
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Dinoflagellates can be pretty brutal IMO. I fought with them for a year before I finally figured it out. I tried everything and my "cure" was removing my sandbed which was basically a nutrient sink and powerwashing the rock. I have no idea what causes it but the cure for it could be on this list:

reduce photoperiod
increase alkalinity
increase pH
add refugium
increase skimming
feed less
increased waterchanges (frequency and volume)

Good luck!
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Old 03-23-2010, 04:21 AM
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I searched it on the net. It maybe the dinoflagellates. One thing tonight I watched as a snail did his best to avoid it. I have a few corals that are showing signs of stress. And I had tufa rock that I threw out because it was giving of something into the water. I will empty my tank tomorrow and start again. I have a large batch of diy rock that should be ready for the beginning of April. It is hard to see but there are long hair like structures that break of and float around the tank.

Last edited by art; 02-20-2011 at 12:47 AM.
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Old 03-23-2010, 07:12 AM
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Hi I would not empty the tank as you have not found the cause,but I would call it lights off for 2-3 days this will not hurt the corals. before doing the lights off clean as much as you can out of the tank vacuum the sand and rock as good as you can do a partial water change. are you using ro/di water , tap water or filtered water. if using tap get some prime it will help with the bad stuff in the water. +1 Christyf5 has listed everything you need to do from here on out. skim a bit wetter do a 25% water change and lights out for 2-3 days then have a shortened light period for a few months till your tank adjusts and ages a bit more. I have found once a tank is established and not much more will be added to it the whole thing stabilizes it's self. As long as you have enough LR and LS or LR and fuge, test your parameters more for the next while.

Everyones system is different.
In my 110g I have never had any problems with this just a HA bloom from a digital timer being messed up found out the connection on the inside of their time was wired wrong. Now I can't grown the stuff in my tank this I can not figure out PH04 is 0.1

But since I upgraded my kids tank to the Bow front I have had some dinoflagellates on the gravel no where else there is lots of flow as the dinoflagellates is not in a carpet but long strings if I cut the flow it becomes a carpet in a day or so. Its not the red algae I have no HA in that tank either so I don't know I just lights out every now and again it goes away and comes back alittle less each time so sooner or latter it will get sorted out.

I would go with what you have and monitor and keep a file on what you are doing to improve the tank and algae problems this will help also document what the out come was after the change. This gives you a reference as to what is working and not you will find the right combination faster this way.

I keep a log on my tank so I know what is happening and what is changing this includs what fish I have and corals when added and if died that is recorded and of what it died of.

Bill
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