new corals help identify pleez..

DAZ3ON3R

New member
i just bought a few coralsfrom a guy a CL have no idea what they are...the pink stuff looks like its been fragged is it still alive and what is it? here are some pics .....
 

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Hi,

where do these come from - looks like from a rather dirty or "muddy" tank.
the first should be some mushromms, the second ones are (closed) zoanthus but extremly offended, the pink for me looks as a sponge

regards

Markus
 
ur right markus they were extremely dirty yesterday wen i got them, i got a sea hare, shrimp and starry blenny + hermit crabs doing their thing...i also got a polyp colony and some other zoanthus (closed)along with the above....im just anxious to see what they look like..anything i can do to make the corals feel more comfortable
 
Hello jebonez,

well these are extrem hardy, so I would not fear they will make it, but would wonder about the phosphate load of the stones they grow on.

regards

Markus
 
Hello,

well will try to explain in a not nativ speaking english at my best - may not be fully correct: stones do tend "store" phosphate´s and if saturated or special circumstances exist these are set free mostly resulting in algae growth on the stones.
And especially dirty tanks are potentially heavily phospate loaded. So your "new" stones most probably may be such candidates.

regards

Markus
 
The first one looks like a browned out type of acan. They appear to have a hard skeleton underneath to me. The second coral looks like a cabbage leather. Very hardy. I used to rip it off my rocks and if any little piece was left behind it would start growing a new colony.
 
I agree with the acan on the first one (echinata/subechinata most likely). Hard to tell on #2, but cabbage is one probably close. Third and fourth I'd say are Paly's. They look like ticked off button polyps (generally green in the center).

As Markus was saying, phosphates can bind to rock and sand over time, then leach out back into the tank. Some run PO4 reactors, etc., but anything that strips water of something quickly can be a problem. I run pickling lime in my top off water to help the skimmer pull the PO4 out. This has several caveats, though. You can quickly spike your pH doing this if you aren't careful.

1)-only use pickling lime (kalkwasser) in ato if you have a float switch to control the top off. Otherwise, you may put too much in at once.
2)-don't let the ato reservoir run dry with precipitated pickling lime in the bottom. You'll pump large quantities of the precipitant in, spiking pH.
3)-don't breathe in the fumes when mixing the pickling lime and RO water.

In moderation it is working well for me. I have the occasional spike of pH when I do something stupid, but my system is a little over 800 gallons, so it does okay even with my screw ups.

As long as your parameters are in check and you have at least med flow and decent lighting, they should recover. Just give them some time and remember nothing good happens fast;). I'm a fan of runnnig carbon 24/7 (generally extruded carbon pellets instead of the lignite-rocks of carbon). Rinse it well before use to remove the dust. That help strip out chemicals that unhappy corals might be putting out. Carbon can also strip the water quickly, so if not already running it, start with a small amount and work your way up. There are some carbon calculators on RC, I think. I think most run just a few cups for smaller systems (100 gallons or less?). Let the acan get some flow, but not a lot. Once the septa show through, algae starts growing and grows much faster than the coral can recover in many cases. Once algae is on the septa, you'll usually have some skeleton spots... Lower flow seems to get acans and many other LPS to fluff up, which is why I'm suggesting the moderate subdued flow for that guy (nothing likes being blasted directly, though).
 
Thank you everyone for the great advice and help...gflat, the lime is way to advance for me but carbon sounds like exactly way I need...thanx...I will keep u Guy's updated...
 
Hello opus and gflat,

the rock nr.1 and 2 look the same to be - therefore cannot be acan and cabage but only one of them; and as the second rock with the zoanthus/palyatoa is so dirty I stil believe that the first rock has some mushrooms on it - but only better pics can allow a better identification. Acans I almost cannot believe that they survive on such a rock.

regards

Markus
 
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