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xokay 
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 Topic: Rust stains on my carbon bags?
Posted: March 01 2006 at 10:46pm |
The other day I took out the mesh bags that I had filled with carbon and on all three bags there were what really looks like rust stains on the bag.
Do I have a metal contamination problem? Don't know where it would've come from, have no idea why there's rust stains on my mesh bags. Each bag was located in a different area in my sump/refugium.
Any ideas as to what this is or if it's a concern?
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W Jordan
55g
3-5" DSB: Fiji Pink, Reef grade, oolitic, crushed coral
80# LR/LBTR
4x65W pc /LunarTracker
w/ window light
30g Sump/2xRefug RD vho
CPR skimmer Mag 3 return
undersand SCWD w/ Mag 7
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dnellans
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Posted: March 01 2006 at 10:59pm |
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very interesting post, i had this exact same thing happen to me about 2 months ago actually! it hasn't happened since though so i wrote it off as a freak algae occurance.
oddly it did not happen on my phosphate media filter bag, just the carbon.
i'd love to get to the bottom of this as well!
-dave
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tileman
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Posted: March 01 2006 at 11:02pm |
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I find them on my carbon bags also. So who has the answer?
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335G Reef
TOTM.
http://www.advancedaquarist.com/2015/2/aquarium
ReefKeepers TOTM Feb. 2012
http://reefkeeping.com/joomla/index....k-of-the-month
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Mike Savage
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Posted: March 01 2006 at 11:26pm |
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I use Kent Marine carbon & bags and have never seen this.
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reptoreef
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Posted: March 01 2006 at 11:32pm |
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I believe it is due to iron.
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www.captivereefing.com
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reptoreef
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Posted: March 01 2006 at 11:34pm |
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Ooops... as far as a bad thing... it most likely could be as algae likes iron.
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www.captivereefing.com
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xokay
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Posted: March 02 2006 at 12:04am |
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So should I keep using them? The only thing in my tank right now is curing LR.
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W Jordan
55g
3-5" DSB: Fiji Pink, Reef grade, oolitic, crushed coral
80# LR/LBTR
4x65W pc /LunarTracker
w/ window light
30g Sump/2xRefug RD vho
CPR skimmer Mag 3 return
undersand SCWD w/ Mag 7
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jfinch
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Posted: March 02 2006 at 12:17am |
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xokay
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Posted: March 02 2006 at 1:26am |
my my that was quite the read... I liked all the asides about nuclear ordinance : )
I guess I won't worry about the rusty carbon for now.
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W Jordan
55g
3-5" DSB: Fiji Pink, Reef grade, oolitic, crushed coral
80# LR/LBTR
4x65W pc /LunarTracker
w/ window light
30g Sump/2xRefug RD vho
CPR skimmer Mag 3 return
undersand SCWD w/ Mag 7
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Suzy
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Posted: March 02 2006 at 8:17am |
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OK, so I can't get to that page...Dangit!
But, our organisms need iron, right?
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Connie
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Posted: March 02 2006 at 8:57am |
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I had the same thing and threw the bag out and got a new one just to be sure...
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I have flying monkeys and I'm not afraid to use them.
180 gallon money pit that I love.....
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Mark Peterson
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Posted: March 02 2006 at 9:10am |
Sometimes my computer opens the RC window, other times not. What's up.
I was thinking that it's no big deal, but also thinking that a magnet might find the stray piece of iron filing. Am I on track?
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Mike Savage
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Posted: March 02 2006 at 10:22am |
The RC thread seems like a waste of time to read. No conclusion, no definitive answers, lots of conjecture. 
Edited by Mike Savage
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dnellans
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Posted: March 02 2006 at 10:44am |
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i couldn't make heads or tails from that either...
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Connie
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Posted: March 02 2006 at 10:46am |
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Odd a questions goes unanswered....
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I have flying monkeys and I'm not afraid to use them.
180 gallon money pit that I love.....
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jfinch
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Posted: March 02 2006 at 12:29pm |
The RC thread seems like a waste of time to read. No conclusion, no definitive answers, lots of conjecture.
Isn't that what all "this" is about? 
There are very few definitive answers even when presented as such.
Bring me a bag and I should be able to tell if it's iron. If it's not iron, it'll likely just biological. But as is "concluded" in that rc thread... what difference does it make? (none).
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dnellans
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Posted: March 02 2006 at 12:40pm |
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john if i my rust stains ever appear again i'll let it keep getting rusty and bring it to a meeting for you. maybe xokay has one showing the symptom right now.
why do you think it would occur on the carbon bag only and not any of the other filter bags in the system?
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Connie
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Posted: March 02 2006 at 12:53pm |
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Jon before you answer that.... Why is it only happening once in a while and not all the time?
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I have flying monkeys and I'm not afraid to use them.
180 gallon money pit that I love.....
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jfinch
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Posted: March 02 2006 at 1:53pm |
If the iron is from the activated carbon, then it might stand to reason that iron reducing bacteria would concentrate in the vacinity. But I don't know.
Jon before you answer that.... Why is it only happening once in a while and not all the time?
Too late.  I don't know . I've never had it so I've never really concerned myself with it.
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xokay
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Posted: March 03 2006 at 12:34am |
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I have three rusty bags right now if anyone wants to see them : ) and I'm hopeful that by next month's meeting I'll be able to start attending those meetings too.
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W Jordan
55g
3-5" DSB: Fiji Pink, Reef grade, oolitic, crushed coral
80# LR/LBTR
4x65W pc /LunarTracker
w/ window light
30g Sump/2xRefug RD vho
CPR skimmer Mag 3 return
undersand SCWD w/ Mag 7
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jfinch wrote: