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Posted by TheRock on April 28, 2006, 5:30 pm
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Is it that important that you need a new piece every 6 months ?
What about Live Sand ?
Garf Grunge ?
What about just keeping a refugium ?
There has got to be other ways to keep life going in your tank without
running out
and buying a piece of Dead Rock....Please say it ain't so Psz
This is interesting...never thought about this....
>> If you had a properly maintained system, with enough of a cleaner crew,
>> couldn't you run a tank indefinitely?
>
> Unfortunatelly no. As you have read, populations of
> micro-organisms inhabiting your live rock will diminish
> over time. Mostly due to the lack of the environment
> supporting reproduction and relativelly short live span
> of animals living in and on the rocks... Also, many
> animals compete with each other for food and space, so
> when in the balance in the ocean, moved to a fish tank
> this balance is easily broken and population crashes.
> Our glass boxes with chopping powerheads are not
> well forgiving for mostly planktonic larvae... and
> compared to the ocean they are very poor in planktonic food.
>
> One way to replenish your live rock fauna and flora
> is to replace small amounts of rock at the time...
> Instead of replacing whole rockwork just exchange
> a rock or two every 6-8 months... This way you will not
> detroy balance but have a chance intruducing new life.
>
> Of course, here is another trouble: each addition of
> live rock has a potential of being a source of infestation
> of animals not considered beneficial, so it is kind of gamble.
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> cleaner crew, couldn't you run a tank indefinitely?