Wash and peel the cucumber.

Juice the lemon.

Cut the cucumber into chunks.

Place cucumber chunks in a blender.

Fill the blender until the cucumber chunks are fully submersed with water.

Add in the sugar, lemon and tajin.

Blend for one minute.

Pour the mixture into a container with a lid.

Chill the cucumber water in the fridge for 1 hour.

Shake and serve.