Most of us use plain, unscented bleach as our source of chlorine. It will clear up your pool. With a cya of 50, you need to shock the pool with enough bleach to raise the cl up to 15 and try and hold it there without letting it yo-yo up and down. Test 2 or better yet, 3x a day and each time, add enough bleach to get your cl back up to 15. In a 24 ft AG, each quart of 6% bleach will raise your chlorine level by 1-1.5 ppm.
Your alk, ph, and hardness are all fine.
Don't add anything else to your pool except bleach. No matter what the pool store tells you to do. You don't need it. Bleach will kill the algae and is all you need right now. Also, run the pump 24/7.
Keep us posted how things are going and by the way, welcome to the forum! Hope this helps.
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