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Old 02-25-2004, 11:36 PM   #31
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I under stand (I think). I just got back from watching "Passion of the Christ" and I'm not sure I'm fully recovered.

I guess it dosen't matter I've got 40 lbs of live rock plus the 3 or 4 pounder I tossed in the tank, plus my dsb. I did buy a bag of the "live sand" I'm in thr process of trying to get some infauna. Maybe Logan will have some, he is only an hour away.
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Old 02-26-2004, 05:13 AM   #32
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There was a thread yesterday of a guy selling an excellent detrivore package on ebay...
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Old 02-26-2004, 08:15 AM   #33
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I have never gotten set with ebay. Guess I've been lazy. Maybe now is the time
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Old 02-26-2004, 05:54 PM   #34
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OK i got the response from Bob Fenner this morning regarding replacing LR and i thought i would share...

<Likely there are mentions of this issue stored on WetWebMedia.com but no
definitive explanation. I will try to be brief here: There is a general "trend"
in marine aquarium keeping with LR and substrates seeming to "run out" of
soluble materials, capacity to sustain biomineral, alkaline (pH) over time...
that "crashing" syndrome is right around a year and a half after set-up... And
there is plenty of anecdotal evidence that the practice after this time of
removing or adding 10-25% or so of new LR, substrate forestalls this effect...
So, my pitch on after the first year and a quarter, year and a half for
aquarists to switch out or add more of these materials... on a six month basis
thereafter. The new LR of course does many other useful "things"... restoring
biodiversity, introducing new "fodder"... and aquarist interest! Bob Fenner>


He did say at the meeting that this can be done in your sump and/or other container.
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Old 02-26-2004, 06:01 PM   #35
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Well....I guess all of us with tanks over a year and a half old, should feel very lucky our tanks aren't crashing, or are they??

I'll wait it out, my last tank ran 6 years with no LR or sand removal or addition. The reason it's not still running is I tore it down to move up here....
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Old 02-26-2004, 10:15 PM   #36
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It seems to me that there a lot of tanks with a DSB over 2 years old andmany over 5 years old or older that haven't crashed.

I wonder what other factors may be at work. I read that some folks don't do water changes, relying on the LR and DSB to do the work. They just add top off and some trace minerals. Could that be part of the cause.

How many of the crashed tank owners took the time to clean their LR of detritus? Did they ever use a PH or turkey baster to blast the rock on occasion?

What other causes could lead to these early crashes?

While I give merit to the heavy metal sink theory, I don't see that happening in a year old system. There are too many tanks in the 5+ years range to beleive this.
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Old 02-26-2004, 10:19 PM   #37
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Still sounds like DSB's lead to nothing but problems. So why have them?
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Old 02-26-2004, 11:36 PM   #38
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Quote:
Originally Posted by gotz_potential
Still sounds like DSB's lead to nothing but problems. So why have them?
Now I'm interested.... Time to tag along... hehehe

Cheers
Steve
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