Your thread in particular was one we discussed with Ben. He says if you are losing chlorine over night, then you just have to keep hammering it with bleach. I know it seems like it will never end, but one morning you're gonna get up and find that you haven't lost chlorine overnight! There is nothing else to do but keep at it. Every day consistently and you will win. (Please know that we understand your frustration. We are frustrated, too, because there is nothing new to tell you that we haven't already said. Now it is just time to stay the course and don't give up. I'm sure that doesn't help much, but there is no other easy cure. Wish there was ...