I have a pool that was closed last August, opened on April 27th this year. The water is very clear, but I've been testing it with the DPD/FAS and K-1000 tests from the TF100 kit. I was troubled by the two tests not correlating well at all- K-1000 showed very low FC, and DPD/FAS showed (I thought) OK. However, I think I was not getting the proper pink color. I was getting a very faint pink after minutes of stirring with the Taylor Stirrer (probably should've considered it clear), not the bold, dark pink I think I need. Now that I realize this, I added 8.25% bleach throughout the day. After many gallons more than the Pool Calculator says, I'm finally getting it to register in the DPD/FAS test, turning a darker pink when I first add the powder. However, I'm still only up to 1.5 ppm (I just added more, so we'll see where that puts it). What's troubling is that the water is very clear. It seems like this problem only happens to green water pools....So is it possible to have clear water and have a lot of chlorine consuming organisms living in it?