Decant the hot liquid into a 50 ml Erlenmeyer flask. Add 20ml of deionized water tothe beaker and again bring the contents
to boil. Again decant the liquid in the beaker into the 50ml Erlenmeyer flask. Press the tea bags with a clean cork to express
as much liquid as possible without breaking the bag and transfer this liquid to the 50ml Erlenmeyer flask also. Cool the tea extract to room temperatuer. Discard the tea bags.