|Water||6 Cup (96 tbs), divided|
|Blackberries||3 Cup (48 tbs) (fresh)|
|Sugar||1 Cup (16 tbs)|
|Lime juice||2⁄3 Cup (10.67 tbs) (fresh)|
Place 1 cup water and blackberries in a blender; process until smooth.
Press mixture through a sieve into a large pitcher; discard seeds.
Add remaining 5 cups water, sugar and juice to pitcher; stir until sugar dissolves.
If desired, serve in glasses garnished with lime slices and and fresh berries.