SUPREME 1900 GPH DE-WATERING PUMP is a powerful, durable, oil free pump that can remove water down to 1/8 of an inch from any medium to large grow tray or nutrient tank. With a maximum flow rate of 1900 GPH and included adapters for a ¾” garden hose and a 1 ½” vacuum hose fitting, it can quickly drain down grow systems for cleaning. It ca