AQUAVAN

Aquarium pumps; electric pumps for aquarium; pond and water garden aeration systems comprising water pumps, air compressors, air blowers and a finned wheel for pressurizing and aerating ponds and aquariums; mechanized automatic fish and shrimp feeders containing operator interfaces, sensors and microcomputers to control and monitor equipment; bubble generating devices consisting of motors, pumps, water and air mixing devices, control switches, and overcurrent protection switches for use in increasing oxygen in the cultured ponds; aerators in the nature of air-lift devices comprising motors, pumps, air exchange devices, control switches and solar heat collection panels for use in circulating oxygen between upper and deeper water