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[APD] Re: Water Changes

Right you are! I wasn't thinking mathematically in terms of an infinite series. A 50% water change regimen would result in twice the original concentration of anything, assuming no consumption. Good argument for 50% water changes.

Thanks for reminding me of my high school algebra class. It's been a long time. (Use it or lose it, as they say.)


On Jan 4, 2005, at 1:39 PM, aquatic-plants-request at actwin_com wrote:

If you change 1/n of the water each time you add a nutriment
in a concentration that would be C once disolved in the tank
AND if the basic water doesn't contain any of it,
you will get MAXIMUM n*C as the concentration for this
nutriment in the tank.


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