Tropical Fish Keeping - Aquarium fish care and resources

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-   Beginner Saltwater Aquariums (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/)
-   -   Brown stuff on Live Rocks (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/brown-stuff-live-rocks-12765/)

kimmi.kim 03-10-2008 01:12 PM

Brown stuff on Live Rocks
 
Hey, I am new to this forum, and have been reading alot of the posts here. i am learning alot on saltwater tanks!

I have just started a 46gallon saltwater tank myself, and just last week put in about 47lbs of fiji live rock to cycle my tank. The guy at the LFS store said it was washed and half cured. Now, there is this brown stuff growing all over the rocks, and even spreading onto the sand. Is this normal? cus its making the rocks look really dirty. I'll post pics soon.

Any help would be greatly appreciated! Thanks!

melo 03-10-2008 06:48 PM

I have something like that on my new saltwater 80 gallon as well, I believe it is just algae and it should pass. What do you have in the tank, do you have a uv sterilizer? Any snails or some type of cleanup crew? I was also told by another member that it could be red slime, but i don't think so, I think it is just a algae phase, it is very ugly though, especially on the sand. I am trying this species of goby that filters sand through its gills, hoping that combined with the uv sterilizer i just put in helps. Hope any of those suggestions help :)

kimmi.kim 03-11-2008 11:45 AM

I have just been cycling this tank so there is nothing in there except for the live rocks. I just put in a protein skimmer last nite. I was going to put a clean up crew in there once the tank has finished cycling, and it seems like my tank has not finished cycling yet, ammonia = 0.3 and nitrite = 0.6.

i also called my LFS yesterday cus i was so worried, and the guy told me it was the algae dying off, which is normal, and that i shouldnt do anything cus it'll go away in about 2-3 weeks.

kimmi.kim 03-22-2008 12:52 PM

So the brown stuff on my LR are almost gone and i have green algae growing now, but on some of my rocks there is this red 'slimey' stuff, which almost looks sticky. and it seems like its spreading onto my rocks and even my filter and powerhead. they all have this reddish stuff on it. Is this the coraline algae that ive been reading about all the time? Can someone post a pic of what coraline algae looks like?

Puffer 03-22-2008 01:50 PM

I found this pic http://upload.wikimedia.org/wikipedi...oralline.1.jpg

But mine is Brighter on my rocks and if it is this, Yes its fine. It adds alot of Color.

kimmi.kim 03-24-2008 10:43 AM

ooh thanks for the pic! i do have some red and dark purple algae that looks like that. but i also have that dark red slimey stuff...

kimmi.kim 03-24-2008 08:54 PM

i just got home, and my tank looks awful!!! i am getting really really worried!
i took a pic, here is what it looks like. can anyone tell me what this is?? is it harmful? i just put in snails last friday, and one rock seems to be really clean, but the rest are just covered in green, brown algae and that red slimey stuff with bubbles underneath it .....and is spreading all over my sand!! please help!!
and i cant seem to upload pictures, it wont let me.

Kellsindell 09-15-2008 01:44 AM

Has anyone told you what was in your tank yet? the pic that was shone is Coraline algae, but from your description it sounds like you may have an outbreak of ciano bacteria or red slime algae. Corline can come in red or purple and it means that your tank is healthy. some like others don't while other encourage the growth (i personally do) how's your tank coming along?

ohturtle 11-08-2008 09:44 PM

Sounds like cyano. Try increasing your flow and checking your ro/di water.

tilt86 11-10-2008 03:09 PM

Hey Kim,

Did anyone tell you to leave your lights off while cycling your tank. If you do, the red slime algae will die almost over night and you can suck out the dead protein when you do your water change. Remember to do small more frequent water changes while cycling. 10% twice a week untill your levels get in check. Just a thought you probably are already doing!:-D


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