Has anyone used one? Pool installer says they work fine on oval and rectangular but they can't smooth them out on a round liner? Make any sense?
http://www.familypoolfun.com/shop?category=169&size=28'+-+Round&wall=54&search=Search
http://www.familypoolfun.com/pdf/nl999931_dig_sheet.pdf
http://www.familypoolfun.com/shop?category=169&size=28'+-+Round&wall=54&search=Search
http://www.familypoolfun.com/pdf/nl999931_dig_sheet.pdf