Aupool finished swimming pool adopts AWTS water treatment scheme
developed directionally, and its turbidity, pH value, residual
chlorine, urea content and total bacterial count are superior to
national and industrial standards. In theory, there is no need to
change water in Aupool finished swimming pool. The powerful AWTS
water treatment system can always keep the water quality index in
the swimming pool better than that of ordinary tap water. Changing
water means "poor water quality"