Hi Ray,
I think as long as Joe is happy with his current regime then he will not
mind the cycling process taking an additional 2 weeks at this lower level &
also this low level of ammonia is far less uncomfortable for his fish than
if it were upped to say 0.5. I have seen a movie of his fish a couple of
days ago & it looks & acts just fine darting around & investigating
everything in the tank. This is probably because he/she was in a tiny 4
gallon tank for a year so this new home must seem like heaven!
John*<o)))<*
On 29 November 2012 10:59, <sevenspringss@wmconnect.com> wrote:
> **
>
>
> Hi Patrick,
>
> I agree with what seems reasonable to you. Nitrifying bacteria multiply at
> an extremely slow rate when compared to other types of bacteria, and when
> compared especially with pathogenic bacteria. It would though, seem just
> by
> this factor that despite their very slow growth rate, that feeding them
> more
> would speed their multiplication rate up at least somewhat, as might be
> expected of any living organisms. However -- and as you point out -- this
> "seems" not to be the case for them when considering their set growth
> rates, but
> any larger amount of ammonia above what they can continue to consume will
> ensure their maximum growth rate -- and yes, this would seem to only need
> to
> be a level of only 0.25 ppm of ammonia, in theory.
>
> In actual practice though, time and time again, through numerous
> establishing cycles, it has been decisely and repeatedly shown, that using
> only this
> token low level of ammonia as compared to using a much larger ammonia
> value
> will actually impede the nitrobacter's multiplication rate -- or at the
> very
> least, not enable it to advance nearly as fast as when a higher ammonia
> level is present -- even though they can't consume it all at once. While I
> have
> no explanation for this, I speak from experience and from the many
> experiences of hobbyists who I guide and follow through their cycling
> stages; a 0.25
> ppm level of ammonia has shown to actually extend the establishing of a
> cycle by up to 2 additional weeks as opposed to maintaining a higher
> ammonia
> level.
>
> When the hobbyist chooses the fishless cycling method, it is universally
> accepted (and recommended) that a concentration of between 4.0 ppm and 5.0
> ppm
> be used at the start of the cycle, and maintained at this level throughout
> the procedure. While a typical bioload of fish, after they are added at
> the
> end of this cycle, may not necessarily produce such a constant level of
> ammonia for the cycled nitrobacters to consume -- and I'm sure the excess
> nitrobacter populations will starve out as a result of the typical
> bioload's
> lower ammonia production -- this appears to be the best and fastest way to
> cycle a tank according to the experts. With already having a fish in the
> tank,
> such a high ammonia level can't be maintained of course, but as high as is
> still comfortable for the fish is encouraged to complete the cycle in as
> short of time as possible
>
> Ray
>
> P.S,: On average, it generally takes about 24 hours for nitrifying
> bacteria to double their populations, whereas most other bacteria will
> double their
> populations in minutes in favorable conditions. That's the comparison of
> one bacteria type to to the others. Nitrobacters grow at a comparatively
> very slow rate.</HTML>
>
>
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