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04-25-2007, 10:40 PM
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#1 (permalink)
| | Astrea Snail
Join Date: Feb 2007 Location: Queen Creek, AZ Age: 24
Posts: 55
Karma: 4
 |  Live rock and shells are turning white!??
Hello,
If I hadnt seemed to break two digital cameras in two weeks time I would take pictures to show what I am going to try to describe, but I cant. Anyways, I have noticed over the past week or so that all of my live rock seems to be getting white patches almost like it was bleached, or cleaned really really well. I thought it was just areas that my crabs and snails had been hanging out until the shell on my 2 inch hermit crab started to turn white as well. Does anyone have any experience with this? _________ I managed to fit my whole world into a glass box at home.  | 
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04-26-2007, 02:22 AM
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#2 (permalink)
| | Giant Squid
Join Date: Oct 2006 Location: TN Age: 31
Posts: 3,888
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sounds like bleaching.... What kinda lights ya got? _________ Got Questions? Need Answers?
"Believe those who are seeking the truth; doubt those who find it." Andre Gide  | |
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04-26-2007, 03:24 AM
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#3 (permalink)
| | 3reef Sponsor
Join Date: Aug 2006 Location: Va/Ct
Posts: 4,284
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Lights have nothing to do with it what are the Ca and Alk and Magnesium levels ? also with just the rocks if you have a Urchin they will tear the corallin up but the hermit shell makes me think its more of a problem with the water parameters.. _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) | |
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04-26-2007, 08:15 AM
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#4 (permalink)
| | Astrea Snail
Join Date: Feb 2007 Location: Queen Creek, AZ Age: 24
Posts: 55
Karma: 4
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Well, its a FOWLR tank and I dont have an urchin, I have standard fluorescents, and I dont have coraline on my live rock probably because of the lights. The calcium and magnesium I dont know, and I would have to wait until the weekend to find out because my closest lfs is 40 miles away and I can afford my own test kits right now. My alk is at 4.0. That number has been tested with more than one type of kit. (salifert, instant ocean) | |
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04-26-2007, 08:26 AM
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#5 (permalink)
| | 3reef Moderator
Join Date: Aug 2004 Location: Wethersfield, CT Age: 38
Posts: 6,348
 
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I'm a bit confused. If you are getting white patches on your rock and your hermit crab shell is looking bleached, what "color" were these things before you noticed the white spots? | |
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04-26-2007, 01:17 PM
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#6 (permalink)
| | Astrea Snail
Join Date: Feb 2007 Location: Queen Creek, AZ Age: 24
Posts: 55
Karma: 4
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Everything was dark brown, you know, the color of live rock before the coralline grows on it. | |
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04-26-2007, 01:23 PM
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#7 (permalink)
| | Giant Squid
Join Date: Jan 2006 Location: Meriden, Connecticut Age: 44
Posts: 3,949
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Coralline algae will bleach under sub par conditions, however, if it is small white areas within the coralline algae, it could be a growth spurt, so to speak...
The white spots on your live rock could be a death on your live rock like a sponge or other dead organism on or within your rock. _________ 125gal.w/Mag9.5 return(dual megaflow)>Mag7 pump Aqua Cev180skimmer.Wave2k Hamilton Reefstar(2)250watthqi(mh)pend.a Yellow, Naso Tang Red Lip Blenny Percula Clown Demoiselles Niger Trigger F. Wrasses Ceriantharia Orn.Shrimp and Stars Hermits Queen Conch asst. snails> Stars Zoos shrooms Montipora Brains Gorgonians Favia Turbinaria(large+small polyp) Acropora Xenia Tridacna (CroceaMaximaSquamosa) Leathers <35+75gal.reef tank as well> 
"IF THE PHONE DOESN'T RING...IT'S ME"  jb  | |
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07-17-2007, 01:40 PM
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#8 (permalink)
| | Feather Duster
Join Date: Jun 2007 Location: Sacramento, California
Posts: 233
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In the last few days, I've noticed the same with my live rock. There are large patches of white - almost looks like someone came in with a scrub brush and scrubbed off the brown algae. However, I did notice a few little buds of red (coralline?) algae. Calcium levels are at 440; pH is low, however - 7.8. Don't know about the magnesium - don't have a test for that one.
Tank is a 29g Nano. Lights: 2 - FSL 8000K 36w & 2 - AquaLux 36w Blue. I leave the lights on about 9 hours a day.
I've been performing weekly water changes and last night I changed the activated carbon and rinsed the filter sponge.
Any ideas? Suggestions? | |
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07-17-2007, 02:19 PM
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#9 (permalink)
| | Astrea Snail
Join Date: Feb 2007 Location: Queen Creek, AZ Age: 24
Posts: 55
Karma: 4
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My spots went away but I still dont know what caused it. | |
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07-17-2007, 03:28 PM
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#10 (permalink)
| | Flamingo Tongue
Join Date: Feb 2007
Posts: 102
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think coral reefer was on the money | |
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