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Old 01/16/2015, 08:52 AM   #658
Michael Hoaster
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Join Date: Feb 2004
Location: Boulder, CO
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Your logic is sound-measure specific parameters so you know what to adjust.

Unfortunately, even accurate test results can lead you down the wrong path. Suppose I've got a bunch of algae, and I test for phosphate. The test shows no phosphate (a likely scenario, if the algae has all the phosphate bound up) Going by this test, I would conclude that I need to dose phosphate. This is an extreme and simplified example, but I can remember similar occurrences in my younger days.

So we both make good points. My disdain for tests stems from what they can't tell you. I find that my years of experience, observation, and more than a little reading, is a better guide for what I need to do.


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