1. Did you ever do the Vitamin C test on your steps?
2. Sounds like you still have some copper in the water. Watch the test kit videos (http://pool9.net/tk-guide AND the ones on interferences: http://pool9.net/tk-interfere. Then, re-test and repost.
3. Did you get the HEDP and Polyquat? Are you using it? Is your pool clear?
4. Removing stains is a pain, and a multi-step process that you may have to cycle through more than once. Are you up for that? Or would you rather just get your pool clear, and worry about stains later?
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