For over 60 years, National pools has served Mercer, Somerset, Middlesex & Hunterdon County residents. As one of the oldest family-owned and operated pool and spa business in the state of New Jersey, we take great pride in our tradition of excellence in innovation and service. We have store locations in Robbinsville and Hillsborough in New Jersey where you can discuss pool & spa options with one of our designers, browse our selection equipment & accessories, test your pool water and pick up your chemicals & supplies – all in one trip.