Yes, I did put in the sequestering agent. As you can see I am originator of this Topic. Everything I did is in the beginning of this thread. Step by step.
My alc 80 my Cal is 130. Nothing changed. Only now I have these dots as you can see in the picture. I have no idea how or why they appeared. I kept my cl level at 3-5 PPM. Hmmm I chocked pool once with a Shock that I bought from Wall mart for vinyl pool, could this be it?