The pronunciation of “agual” in Spanish varies relying on the area, however the most typical approach is “ah-gwahl”. It is very important be aware that the “u” is pronounced as in “true”, not as in “glue”.
In some components of Spain, “agual” is pronounced with a silent “h”, so it appears like “ah-gwah”. In different components of Spain, the “a” is pronounced as in “father”, so it appears like “ah-gwahl”.