Quote:
Originally Posted by Masonjames
That's not actually entirely correct. In an emergency situation, yes a single large percentage water change will be far more effective then the same percentage being changed by smaller multiple changes. But when these two identical percentages are changed over a bi weekly, monthly, etc. period of time the difference of both removal and additions is very very small. A few percent, to points of a percent. So one could argue this is less effective, but the difference is literally so small that it's nearly irrelevant.
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Well, actually, if you do daily changes vs 3 week changes using the same volume over that time, it does make a fairly big difference. If you are doing weekly vs 3 weekly, then not as much, of course.
Not sure why this is not obvious to everyone!?? I don't know how I can explain it better... I could use an apples and oranges in a barrel example, but hopefully that isn't necessary.