In a pot bring 375ml of water to a boil

Then turn off and add your 4 tea bags, cover with a lid and allow to steep for 15mins

Remove tea bags, and add your sugar and stir until completely dissolved

Allow mixture to cool

In a bottle add your 1.125l of water then add your tea concentrate

Place bottle in fridge over night or in freezer checking every so often, if you want to drink it sooner

Pour over ice, you can add slices of lemon to garnish