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01-16-2003, 11:35 PM
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#1
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Birthday tracker
Join Date: Jan 2000
Location: Spartanburg, SC USA
Posts: 14,637
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Grey stuff appearing on rocks
Wonder what this stuff is? It started appearing about 2 weeks ago.
Much of the rock in my tank was LR at one time, but I took it out and scrubbed and treated it for the scurge of majano. Boiled the rock and let it dry out. So the rock was white when I put it back in the tank. Now I'm seeing this grey stuff on some of the rock.
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cath
-La Dolce Vita
Proud member of the BRW crowd 
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01-16-2003, 11:42 PM
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#2
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Ghost of reefers past
Join Date: Jan 1999
Location: Southern Oregon, Way West of Dimples ;)
Posts: 25,156
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Does it look like chewing gum on the rock?
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Cowboy is a verb, not a noun
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01-16-2003, 11:54 PM
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#3
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Birthday tracker
Join Date: Jan 2000
Location: Spartanburg, SC USA
Posts: 14,637
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nope..not like chewing gum...the best way I know how to describe it is, that is looks like the way mildew would look.
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cath
-La Dolce Vita
Proud member of the BRW crowd
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01-17-2003, 07:11 AM
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#4
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Klingon
Join Date: Feb 2002
Location: Forest Grove, OR
Posts: 1,808
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I believe it's anarobic activity, you probally killed some stuff living in the rock and it is breaking down. Sometimes you see this in uncured rock also.
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40g 3' BB tank * 2 Seio 820's * 250w 14kk light * 190w actinic/10kk * DIY recirc skimmer.
~If I could only remember half of what I've learned~
~Jimbo~
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01-17-2003, 07:23 AM
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#5
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Sailfin
Join Date: Jan 2000
Location: Noblesville, Indiana
Posts: 2,444
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Quote:
Originally posted by Doug1
Does it look like chewing gum on the rock?
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What would that mean?
~Shirley
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01-17-2003, 09:37 AM
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#6
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Ghost of reefers past
Join Date: Jan 1999
Location: Southern Oregon, Way West of Dimples ;)
Posts: 25,156
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Once, at Reef Camp, I had a rock that had this wierd growth on it. I t looked like chewing gum thats found a home under a desk or something, cept they was an obvious spiracle(?) at each end of the mass
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Cowboy is a verb, not a noun
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01-17-2003, 09:43 AM
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#7
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The Border Collie Mod
Join Date: Feb 2001
Location: right now? in my chair
Posts: 13,218
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Cath you've just got some nitrogen/protein source rotting on that spot. Watch your ammonia/nitrite until you see it go away.
If it looked like gum, it could be one of the encrusting sponges or sometimes gorgs that are common on LR.
I need coffee!
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01-17-2003, 09:59 AM
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#8
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Ghost of reefers past
Join Date: Jan 1999
Location: Southern Oregon, Way West of Dimples ;)
Posts: 25,156
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Thanks Spanks!!!!!! Let me buy you a cuppa coffee
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Cowboy is a verb, not a noun
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01-17-2003, 10:14 AM
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#9
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Reefless Reefer
Join Date: Jun 2002
Location: Durham, NC
Posts: 20,561
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Quote:
Originally posted by Doug1
Thanks Spanks!!!!!! Let me buy you a cuppa coffee
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i think it will be cold by the time you get it to Spanky. 
G~
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Think Tanker
Friends Don't Let Friends Use Refugiums!
Reef Knowledge Impaired
"J" crowd member.
My Build Thread
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01-17-2003, 10:20 AM
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#10
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Birthday tracker
Join Date: Jan 2000
Location: Spartanburg, SC USA
Posts: 14,637
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Thanks, everyone
I've had the chewing gum stuff before, when these pieces were real LR.
Sigh...I guess I need to buy more honest to goodness LR for my tank. The rocks I have are beautiful shapes, but not filled with exciting suprises ...as in "What in the heck is that??" 
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cath
-La Dolce Vita
Proud member of the BRW crowd
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01-17-2003, 10:32 AM
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#11
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Big Fishy
Join Date: Sep 2002
Location: Greenville, SC
Posts: 565
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Doug1,
"Once in Band Camp......." - From American Pie the Movie. LOL |
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01-17-2003, 03:28 PM
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#12
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Plankton
Join Date: Dec 2002
Location: south amboy,nj
Posts: 23
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hey i got this stuff growing on my rock that looks sorta like chewing gum but its kinda transparent and rubs right off with a toothbrush. any idea what that is?
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01-17-2003, 06:24 PM
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#13
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The Border Collie Mod
Join Date: Feb 2001
Location: right now? in my chair
Posts: 13,218
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Marcus,
Sounds like one of the encrusting or viscous sponges.
Jerel
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01-19-2003, 08:36 AM
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#14
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Big Fishy
Join Date: Jan 2000
Location: Rindge, New Hampshire
Posts: 580
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Quote:
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Grey stuff appearing on rocks
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Old age?
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01-19-2003, 08:50 AM
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#15
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The Border Collie Mod
Join Date: Feb 2001
Location: right now? in my chair
Posts: 13,218
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Cath has OFR rocks! 
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