Purified water is de-mineralized by reverse osmosis. Purified water is available in 18.9 (5 Gallon) or 11.3 (3 Gallon) liter bottles and has a blue cap. Each bottle has a $10 refundable deposit. Refunds are given for bottles in clean, reusable condition. Purified water is also available in 500ml bottles or 4l jugs.
Purified water chemical analysis.