01-17-2010, 02:49 PM
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Lol, I'm sure my fish felt the same when my hornwort began to die off (too weak of lighting, so it never lasted very long). As to the precision of the whole theory, it is not meant to be a cut off line between no aggression and aggression. Instead, the spreadsheet offers a ratio based on what you think is ideal. I tend to be very idealistic and thus put the marker at 75% benign. Obviously, as MoneyMitch pointed out, 75% is not a necessity, just a suggested ratio. The theory does not so much point to a specific number as it does a specific trend: as the number of fish increases, the number of structures increases disproportionately (more than proportionately). Aside from this basic truth, a lot is going to depend on what the aquarist considers ideal. Personally, I do not just check that there is no obvious agression but also consider what would happen if something should go wrong (such a consideration usually implies that more structures will be needed). At the same time, I realize that not everyone would agree with me on this.
Perhaps the better way to phrase the question is whether or not my spreadsheet/theory works as a decent guideline? Do you think that new aquarists would be safe if the used the ratios I suggest? Granted, they may do fine at a lower number, but will they be okay at my higher number?
Hopefully that Helps,