You still have algae. You need to follow the SLAM Process page in its entirety. Also be sure to update your signature with all of your pool and equipment info. Include your test kit as well. Be sure to lower the pH to about 7.2 before starting the SLAM Process. Use liquid chlorine to maintain teh elevated FC level required based on your current CYA - see FC/CYA Levels. Good luck!
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You would think, but it's really hard to know for sure. The only way to lower the CYA so that you could have a lower FC SLAM level is by exchanging some water. You do have that option.
You are correct. Best you could do for now is simply add about 5 ppm of liquid chlorine per day. The PoolMath APP's "Effects of Adding" can help you with the amount. We normally don't like to see more than 4 ppm of FC used-up in a day, so adding 5 ppm per day should keep things from getting much worse. If you can find a simple pH drop test kit locally, continue to keep the pH between 7.2 - 7.8. Those are really the two biggest things to watch for now, FC & pH.
Your profile shows 80,000 (I'm assuming liters) which is about 21,100 gallons. So one gallon of 10% strength chlorine would increase the FC by about 4.5 ppm per day. A pool has to eat everyday, and their primary diet is chlorine. My pool is about 18K gallons and would take 1/2 gallon each day to add 2.5 ppm.
Still not showing for some reason. I'll look into it on my end to see if I can see something.
