If you look back in the first page at the first picture you shared you can see there is a slight green tint to it. Now look at the last pic above. It is a light blue. You ARE making progress! It is just hard to see from one day to the next. What you can do is take a pic looking down at the ladder like you did to show the ends. Then post it here and you will see the S.L.O.W. progress. Now it is a matter of POP aka Pool Owner Patience 