It’ll be hot again tomorrow, so lemonade!
Mix 1 part lemon juice, 1,5 part grapefruit juice (my grapefruit was bigger than my lemon haha), 0,5-0,75 part sugar (depending on how sweet you want to make it), 7 parts water. Stir until the sugar has dissolved. Makes about a litre of lemonade :)
Eers 