1 litre within the first 2 hours of waking to replenish fluids lost overnight.
Minimum 2-3 litres of water throughout the day, your coach will adjust if needed to suit your hydration needs.
Sip water consistently rather than sculling it, spreading your intake across the day.
Room-temperature or warm water is is absorbed more effectively than cold water.
Salt your meals to support fluid balance. Use 1-2*g of salt per meal. *If you have high blood pressure this will need to be reviewed and potassium to sodium ratios assessed.

Hydration & importance of salt