• Common Questions

    three glasses with splashing water

    Common Drinking Water Contaminants

    虽然某些水污染物,像铁,sulfur, and total dissolved solids, are easy to spot by residue, odor, and discolored water, other potentially harmful contaminants, like arsenic and lead, can go undetected by the senses.

    Learn about common water contaminants

    Culligan Water Delivery

    Your Culligan Water Delivery Service Questions, Answered

    Learn more about Culligan Water’s convenient delivery service and enjoy cleaner, better-tasting water whenever you need it most.

    Learn about Culligan’s Water Delivery Service


    What are PFAS, PFOA, and PFOS?

    Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that include Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA). These elements have a negative effect on the health of those exposed to them.

    Learn more about Chemical Water Contamination

    diagram of reverse osmosis

    What is Reverse Osmosis?

    Quickly find answers to some of our most-asked questions about Reverse Osmosis.

    Learn about Reverse Osmosis

    pipes clogged with sediment

    What is a Water Softener?

    Quickly find answers to some of our most-asked questions about Water Softeners.

    Learn about Water Softeners


    Culligan Water Lab Test Kits

    The Essential and Comprehensive Water Lab Test Kits provide a fun, interactive way to immediately understand the quality of the water through graphs and charts.

    Learn more about Culligan Water Lab Test Kits