Just wondering how clear the water should be. I know the clearer the better but if you go underwater and open your eyes is there any way to judge if is clear enough? Example might be you see a piece of a leaf in the pool...you go down to get it but you open your eyes and all you see is a brown blotchy area...not clear. Does that mean the water needs a clarifier if all other tests are within the correct parameters. Just a thought I had today....yes while picking up that brown blotchy part of a leaf!!!