I used to be that guy who threw in a large stack of tablets into the floater on Sunday afternoon and then ignored the pool until next Sunday. I had no idea back then that my CYA was going through the roof and was making my normal chlorine levels ineffective. Now that I follow TFP and use liquid chlorine my pool is cleaner and more appealing than ever. No algae issues and I only use tabs when away on vacation. The recommended test kit seemed like an excessive purchase at the time and now I can't believe I used the little cheapy kits all those years, thinking I was in control.