I think it does "foul up" our systems, to a degree. It's just our ability to counteract and control such foul ups/fluctuations that makes the difference.
__________________
~Drew
10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W
Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz

|