Wash and hull your strawberries.
Juice the lemons and limes, and slice a few extra for garnish.
Blend strawberries with a splash of water until smooth.
(Optional) Strain the puree for a smoother drink.
In a large pitcher, combine lemon juice, lime juice, strawberry puree, and simple syrup.
Add cold water or sparkling water and stir well.
Taste and adjust sweetness by adding more syrup, if needed.
Fill glasses with ice and pour the mocktail over.
Garnish with lemon slices, strawberries, and mint.
Serve immediately for best fizz and flavor.