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Choose how water volumes are displayed
Daily goal
The default goal — 2 litres (68 fl oz) of drinks a day — is based on the adequate-intake values published by EFSA and the US IOM. How much water do you actually need?
This goal is above 4 litres (135 fl oz) a day — more than official recommendations suggest for most healthy adults. In heat or during long exercise it can be justified; either way, spread your drinking across the day.
Quick add buttons
Choose amounts for the 4 quick add buttons
Reminders
Reminders work while this tab stays open — feel free to switch to other tabs, just don't close this one or the browser.
If reminders stop after a while, your browser may be putting this tab to sleep. In Chrome, you can add this site to “Settings → Performance → Always keep these sites active”.
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Data
Export your water history and settings to a file, then import it on another device or after clearing your browser. Your data never leaves your device.
Sync between devices
Sets up automatic syncing between several devices. Records are encrypted on this device before they are sent, and no account or email is needed. It is not a backup: keep exporting to a file for that.