The Chaipattana Aerator is a low speed surface aerator for which His Majesty holds a patent in Thailand. A lot of different models have been developped in the years after its invention. Such devices may significantly improve the water quality of lakes / ponds which have no natural source of air / oxygen. Social benefitsThe citizens of Thai owe a great deal to this royal invention, as the procedure effectively alleviates the problem making the water became clearer, less foul and higher in oxygen amount. Likewise, aquatic animals, for example turtles, soft-shelled turtles and fish can survive when the water quality meets the standard. The capacity of the aerator to treat water pollution with practical and cost-effective technology has been widely accepted, both nationally and internationally. This royal invention is greatly and utterly beneficial to mankind and the environment.