If you don't have a reusable jug, you can buy pre-packaged RO water directly off the shelf.
: Stores like Target and Walmart sell house-brand bottled water (e.g., Great Value or Good & Gather) that is often purified via reverse osmosis.
: Many locations feature FreshPure Waters or similar dispensers in the beverage aisle.
: Local independent health food stores are highly likely to have RO or alkaline RO water dispensers. 2. Pre-Bottled Water (Retail)
The most cost-effective way to get RO water is by using self-service refill stations found in major retail chains. You typically bring your own reusable container and pay per gallon.