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  #1  
Old 11/23/2006, 06:39 PM
loves saltwater loves saltwater is offline
Premium Member
 
Join Date: Oct 2006
Location: Katy,Tx
Posts: 942
White Dust on my LR w/pictures

I have a growth on my LR and it is spreading to others. The rock has been in the tank a few weeks and in the last few day this white stuff has started to grow.Help !

AM- 0
Rite- 0
Rate- 15 (working to get this down with WC)
PH- 8.0
SG- 1.026
Cal- 500
Pho-0


http://i147.photobucket.com/albums/r...r/NewImage.jpg
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AM- 0
Rite- 0
Rate- 0
Phos- 0
PH- 8.0
SG- 1.026
Cal- 420
KH- 8.0 dKH
Alk- 2.51 meg/L
Mag- 1350
Temp-78-80
  #2  
Old 11/23/2006, 07:05 PM
tobyp tobyp is offline
Moved On
 
Join Date: Jun 2006
Location: Lima,Ohio
Posts: 77
that looks like hair algea to me im not no expert though
  #3  
Old 11/23/2006, 07:28 PM
loves saltwater loves saltwater is offline
Premium Member
 
Join Date: Oct 2006
Location: Katy,Tx
Posts: 942
This growth is pure white and not hairy at all nor is it stringing.
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Does anyone have the number to Reef Keepers Anonymous!

AM- 0
Rite- 0
Rate- 0
Phos- 0
PH- 8.0
SG- 1.026
Cal- 420
KH- 8.0 dKH
Alk- 2.51 meg/L
Mag- 1350
Temp-78-80
  #4  
Old 11/23/2006, 07:48 PM
malintner malintner is offline
Registered Member
 
Join Date: Nov 2005
Posts: 78
What is your alkalinity? That might be precipitation. Your calcium is a little too high. Your specific gravity is too high.
  #5  
Old 11/23/2006, 08:14 PM
J. Montgomery J. Montgomery is offline
Mouth Pipetting
 
Join Date: Aug 2006
Location: Charlottesville, VA
Posts: 2,147
Specific gravity of natural salt water is 1.026, so thats not too high. Calcium is though, I'd agree with malintner that it may be a precipitate.
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  #6  
Old 11/23/2006, 08:35 PM
loves saltwater loves saltwater is offline
Premium Member
 
Join Date: Oct 2006
Location: Katy,Tx
Posts: 942
I don't have a test for Alk...What is precipitate ? How can I lower calcium ?
__________________
Does anyone have the number to Reef Keepers Anonymous!

AM- 0
Rite- 0
Rate- 0
Phos- 0
PH- 8.0
SG- 1.026
Cal- 420
KH- 8.0 dKH
Alk- 2.51 meg/L
Mag- 1350
Temp-78-80
  #7  
Old 11/23/2006, 09:40 PM
loves saltwater loves saltwater is offline
Premium Member
 
Join Date: Oct 2006
Location: Katy,Tx
Posts: 942
bump
__________________
Does anyone have the number to Reef Keepers Anonymous!

AM- 0
Rite- 0
Rate- 0
Phos- 0
PH- 8.0
SG- 1.026
Cal- 420
KH- 8.0 dKH
Alk- 2.51 meg/L
Mag- 1350
Temp-78-80
  #8  
Old 11/23/2006, 10:41 PM
trpigg trpigg is offline
Registered Member
 
Join Date: Jul 2006
Location: Charlotte, NC
Posts: 154
Your LR is dying...That happens sometimes. Alkalinity levels lower calcium but i dont think i would raise that. A couple 20-25% water changes every couple of days should cure the calcium problem. What kind of salt mix do you use???The water changes should also help to raise that ph. My tank is fairly new as well and that had happened to a few of my rocks but things willl get better...just make sure your parem's stay stable.
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  #9  
Old 11/23/2006, 10:48 PM
loves saltwater loves saltwater is offline
Premium Member
 
Join Date: Oct 2006
Location: Katy,Tx
Posts: 942
I use instant ocean salt mix....Should I do anything to the rock ? scrub it,clean it,boil it or take it out ? My calcium has been at that level from day one. I have done several water changes and it has not dropped the Cal level.
__________________
Does anyone have the number to Reef Keepers Anonymous!

AM- 0
Rite- 0
Rate- 0
Phos- 0
PH- 8.0
SG- 1.026
Cal- 420
KH- 8.0 dKH
Alk- 2.51 meg/L
Mag- 1350
Temp-78-80
  #10  
Old 11/23/2006, 10:55 PM
phishy2 phishy2 is offline
Registered Member
 
Join Date: Sep 2005
Location: Florida
Posts: 187
looks like dead coraline algae, my powerheads get white like that when the coraline dies off when i take them out and clean them.... good or bad im not sure how it affects water quality, ive never noticed any fluctuations.
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  #11  
Old 11/23/2006, 11:19 PM
ACBlinky ACBlinky is offline
Premium Member
 
Join Date: May 2005
Location: Peterborough, ON, Canada
Posts: 3,804
Your Ca is high, but not excessive. SG is right on IMO. I looked at the picture, don't really see anything wrong -- sometimes purple coralline turns white when LR is put into a new tank, it's nothing to worry about. Being out of water, changes in light and other conditions can affect coralline, but it comes back with time and good water conditions. I see no reason to do another water change at this point. Don't add any calcium supplements, just leave things be and let the tank settle out. Ca will go down on its own once snails, coralline, tube worms etc. begin to use it, or with the addition of buffers to increase alk (get a kit first though).
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