Randy Holmes-Farley
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I think any general measure of organics can be a guide to high or low, such as the UV measure, but my advice is more along the lines of lowering them, whatever they are.
The organics consumed by bacteria such as cyano are generally dissolved or maybe particulate in the water, not those on surfaces, which would be slow to come off.
The organics consumed by bacteria such as cyano are generally dissolved or maybe particulate in the water, not those on surfaces, which would be slow to come off.