OMGosh I am so excited to have help!! Not excited to dump water, I just read through real quick I was so excited. I can't wait to let my son-in-law read the results. I did get Borax today. THANK YOU SO MUCH!! we have a vinyl liner, 20foot by 40 ft. pool, 25,000 gallon, sorry,thought about all of that after I posted. Will read post in full now. THANKS!!!