The pool is no longer green - it is only cloudy now.

Here is the pool when it was green:
Here it is last Saturday when it finally turned blue:
Here is a close-up to show the unchanged poor visibility:

When I get home tonight, I'll check everything and report back. I'll also pick up a bunch of 6% unscented bleach and borax and add it to bring up the chlorine to 25 and do the overnight test.

I don't know what is in "Green to Clean." Here is the link to the product page, but, mysteriously, they do not disclose the active ingredient. http://www.green-to-clean.com/FAQ.html