I looked at bleach my wife buys for one dollar a gallon and I'm going to do the bucket test to see what comes out and I noticed the calculator has a place to put in very low bleach so I'm going to find out the best. It just started warming up here so I have time before it really gets hot. Really appreciate the help and support guys like you and other moderators give all of us to keep our pools looking sharp. Thanks again. I will repost after I test the dollar store bleach thank you