Hi im new to this forum and in desperate need of guidance. I am a bacquacil above ground pool owner 18,000 gallons, cartridge filter. My water is currently a brighter shade of blue and cloudy where as I can not see the bottom. I have vacuumed it and run the pump to circulate the water sever al times. I have put the standard Bacquacil start up chemicals in it and taken a sample to my local store and my readings are all good (-) 2 1/2 pints of sanitizer. which I will be adding as soon as I get off work. they also gave me a bag of Ekolean with instruction to add 18 cups in skimmer (pump running) then vacuum, rinse out filter and skimmers then repeat. anyone ever use this stuff before ? It is only my 2nd year with this pool and im pretty pool illiterate I AM trying and would like a little guidance if possible!!! Any help appreciated! Thanks in advance!