Ace Pelizon Plumbing was called out on a leak underneath the kitchen sink and on a flapper replacement.Ace Pelizon Plumbing found that leak underneath kitchen sink was due to a loose nut connecting to the garbage disposal. Also found flapper not shutting properly due to age and corrosion. Ace Pelizon Plumbing tightened nut and checked for leaks and proper function. Kitchen sink functioning properly no leaks. Ace Pelizon Plumbing also replaced flapper and tested for proper functions. Toilet functioning properly.