Hey guys this is my second year with the AquaTrol above ground pool unit. What are most of you setting your % dial at? I can't remember from last year since I think it got turned since then. I have a 24ft by 52" above ground pool. The manual just says start it at a higher percentage then slower lower it until you reach the desired level. Well what is the starting point? Surely not 100%? I think the pool place told me to run mine at like 40% last year. Any input from you guys would be great. Thanks!