Retains Suns Natural Heat In Pool. The item "NEW Above, Semi, Inground Swimming Pool 9'x18'x52" is in sale since Wednesday, May 27, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Swimming Pools\Above-Ground Pools". The seller is "todayspool" and is located in Greentown, Pennsylvania. This item can be shipped worldwide.