A shallow water riser extending between a seabed connection and a floating support connection and of a length through the shallow water to be in wave form with at least one and, as illustrated, two wave areas in contact with the seabed. Such novel nucleating agents are new classes of hyper-nucleators that promote crystallization within such target syndiotactic resins at levels well above any previously disclosed nucleators. A developer opening is formed in an upper portion of the upper housing piece for supplying a developer and a bottom opening is formed in a bottom part of the upper housing piece.