01 - Add cold filtered water, freshly squeezed lemon juice, maple syrup, activated charcoal powder, and a pinch of sea salt to a large glass or pitcher.
02 - Whisk or stir the mixture until the charcoal is fully dissolved and the liquid attains a uniform, dark appearance.
03 - Sample the beverage and increase syrup quantity if a sweeter profile is desired.
04 - Fill glasses with ice cubes and pour the charcoal lemonade over the ice.
05 - Decorate each glass with lemon slices and fresh mint leaves if preferred; serve immediately.