I just joined the forum after a mediocre first two years with my pool. It is a 21' above ground from Namco. I was using an inline tablet chlorinator that came with the package, w/ occasional shock/chemicals as the test strips indicated.
Unfortunately, I closed late last year and there were a ton of leaves and a good amount of algae when I did. This spring, it quickly became a lovely forest green swamp, so I am following the 'Turning your Green Swamp..' process. I did have some questions on that process, but I'll post them in 'Algae Prevention'.