AJ Water Treatment LLC is a Water Testing Service located in Baltimore, MD. We specialize in Water Purification Systems, Water Heater Services, Water Softening Services, Osmosis Systems, and more Water Treatment Services. Here at AJ Water Treatment LLC, our mission is to always provide quality service at an affordable price. The success of our company is due to the dedication we provide to our customers. Customer satisfaction is always our number one priority! Clients expect nothing less when it comes to water heater services. Improve your household water systems today. We want to hear from you soon. Call us at (443) 657-3999 today.