Ricordea and SPS

jbundas

New member
Anyone have any experience (good or bad) keeping ricordia mushrooms in a primarily sps tank?

Obviously any direct contact will result in bare sps skeleton in no time, but I'm wondering about general co-habitation in the water column. My 75G is all stonies with the exception of good sized gorgonian and 2 large ricordea colonies - each around 8-10 shrooms. I've always had trouble with montis (digis and caps) where the polyps look good but the tissue gets pale and thin, in some cases recedes to expose skeleton....but the polyps are still there. It seems to affect the older sections more where new growth around cap rims for instance looks healthy for a while, but 1/4-1/2 inch in from the edge is where the fading is starting - growth rate is pretty good though. Acros and pocis in the tank are all doing great.

I've pretty much ruled out my source water since when I rebuilt the tank 6-8 months ago, all the montis looked normal for a while. Prior the tank rebuild, they had the same ill symptons. All the normal chem numbers are right on as well. Many other folks in the area have the same montis I do, but my tank seems to be the only place they're not happy in.

That being said, I'm looking for unique features in my system that could be a potential source. One of which is keeping a couple substantial ricordea colonies. Since they're known to hammer the heck out of anything they touch, could they also be releasing their weapon into the water?

I'm planning on pulling them out to an isolation tank for a while to see if there is any change, but any stories or thoughts anyone else has would be appreciated.

I'll see if I can get some pics of what the montis look like in my tank.
 
I run a mixed reef. Never had any trouble because of my 60+ rics but I do run UV. When I ran XM's in the past I was not able to keep montis at all. After lowering my photoperiod to 3 hours they started to come back. I've since been runing a lower par bulb and they do fine.
 
I recall seeing a pretty amazing TOTM that was a 65g. It was packed with SPS and he had a veritable ricordia garden on the sand.

Have you tried running carbon to limit allelopathy?
 
well actually I have had experiences where for some reason one of my sps fell on a ricordia covered rock, and the one that lost was the ricordeas, several of them died from this and the sps didnt suffer any damage at all.
 
You might have something with the lighting point Steve. I have 2x250 SE XM 10ks and 2x96w PC actinic and blue. AFter reloading the tank, I only ran one MH for like 4-5 hours/day for a while since the sps were out of the brights while the tank was apart. Eventually, I added back the 2nd light and slowly increased the photo period and lowered the bulbs a few inches over the following months. I have been running MH1 from 11:30am to 6pm and MH2 from 2pm to 9pm. Light poisoning might make sense since the new growth areas without much zoanth. are fine but the established "power house" sections where all the algea should be just can't deal.

In addition to the water change last night, I knocked back the MHs by 1.5-2 hours each. I'll probably go even further in another week or so.
 
<a href=showthread.php?s=&postid=7483538#post7483538 target=_blank>Originally posted</a> by jbundas
You might have something with the lighting point Steve. I have 2x250 SE XM 10ks and 2x96w PC actinic and blue. AFter reloading the tank, I only ran one MH for like 4-5 hours/day for a while since the sps were out of the brights while the tank was apart. Eventually, I added back the 2nd light and slowly increased the photo period and lowered the bulbs a few inches over the following months. I have been running MH1 from 11:30am to 6pm and MH2 from 2pm to 9pm. Light poisoning might make sense since the new growth areas without much zoanth. are fine but the established "power house" sections where all the algea should be just can't deal.

In addition to the water change last night, I knocked back the MHs by 1.5-2 hours each. I'll probably go even further in another week or so.

That may be it, when I ran XM's I could only keep them on 3-4 hours max. SPS saturate at about 4 hours, so anything more than that really does not help you, especially with high par bulbs like you are running

Take a look at what JB NY is doing, he runs xm10ks just like you and knows a ton about lighting
 
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