Russ - the 1" dia black plastic pipe will provide a more rigid hoop than a hoola-hoop. At times getting 1" plastic pipe to form a 3ft dia circle without kinking can be a challenge. Warming it in the hot sunshine may help it bend to a small circle.
Last edited by Bill Cody; 07/19/0809:40 PM.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine - America's Journal of Pond Management