I'm Krista McDowell with vivo pools and vivo spas in Southern California and I'm going to show you how to replace a hot tub cover you'll need to measure your tub both length and width you'll also need to determine how tight your radiuses are can download a radius chart online and you would just simply lay it on the corner like this to determine how tight that radius is so you'll want to determine the location and the length of the safety straps from the edge and also the length so you also want to determine the length of the skirt because this works as an insulator to keep the heat in and to also keep dirt out okay so after you have determined the length and width the radius the length of the skirt the location and the length of the safety straps then you're ready to order from your spa retailer I'm Krista McDowell with Viva pools invivo spas in Southern California and that's how you replace a hot tub cover you