Sometimes you’ll run into a pool that has algae that is hard to get rid of. You scrub and you shock and yet you come back to the same issue.
If your pool is running for enough time
If your chlorine is high and this is still an issue, try Yellow treat or Yellow out.
This is typical in a high conditioner pool since at some point the high cya levels do hinder chlorine’s performance. This isn’t always the case but I do seem to notice this more on those pools.
Good luck!
