Hugh Jackman, who was working on another Marvel movie Wolverine at the time, told Stephen Colbert: “You increase your water intake to, like – I’m trying to think what the gallons is – but you have about 10 litres of water, which is, what? Three gallons of water a day?
Article source: https://www.huffingtonpost.co.uk/entry/spider-man-dehydration-tom-holland_uk_6a68b8c4e4b0626026692c41