To enjoy the benefits of Qi enriched water, we recommend that you place a glass of water next to your Qi-Home Cell / Qi-Max Cell device before you go to bed at night, and consume the following morning. Any water within the area of coverage will benefit from Qi enrichment. Click here to view the study done by Dartsch Scientific on the Qi-Home Cell & water quality. Please note the Qi-Shield, Qi-Home Cell, and Qi-Max Cell have a beneficial effect on water.