A few questions for you:
What ingredient is in your super shock?
How often are you testing and adding chlorine?
Your numbers look good. If you are maintaining that high of a chlorine level and not letting it drift down before you shock it back up, it is gonna kill algae. If you let it yo-yo up and down, it isn't gonna work and that is why many people can't get rid of algae.
TA, PH, and CYA levels are good.
Re-post with answers to the questions, and we'll go from there.

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