Water container cap for holding additives to water

A kit comprising:

• an open ended supplement housing having a first open end, a second open end, a first connector portion at the first open end couplable to an outlet portion of a container, a second connector portion at the second open end, and at least one supplement chamber positioned between the first and second open ends, the first open end comprising a filter retainer projection;
• a first filter selectively attachable to the filter retainer projection;
• a cap having a connector portion couplable to the second connector portion at the second open end of the supplement housing, the cap being configured to retain a dissolvable supplement body inside the at least one supplement chamber as the dissolvable supplement body dissolves in a liquid flowing from the outlet portion of the container into the first open end of the supplement housing through the at least one supplement chamber and out the second open end of the supplement housing, the cap including an open lower portion;
• and
• a second filter receivable inside the open lower portion of the cap.

A kit comprising:

• an open ended threaded supplement housing threadably attachable to a threaded outlet portion of a container, the supplement housing including at least one supplement chamber disposed between the open ends of the supplement housing configured to retain a dissolvable supplement body as it dissolves in a liquid poured from the threaded outlet portion of the container into one of the open ends of the supplement housing through the at least one supplement chamber and out the other of the open ends of the supplement housing, the supplement housing further including a filter retainer projection;
• a cap portion selectively couplable to and removable from the supplement housing, the cap portion including an open lower portion;
• a first filter selectively attachable to the filter retainer projection;
• a second filter receivable inside the open lower portion of the cap portion;
• and
• at least one dissolvable supplement body.

A supplement dispensing closure couplable to an outlet of a container housing a liquid, the closure comprising:

• a supplement retention chamber and a liquid flow pathway extending through the supplement retention chamber, the liquid flow pathway being configured to guide a liquid exiting the container through the outlet through the supplement retention chamber when the closure is coupled to the container, the supplement retention chamber being configured to retain a dissolvable supplement body as the liquid flows therethrough and dissolves the dissolvable supplement body;
• a cap portion selectively couplable to and removable from the supplement retension chamber, the cap portion including an open lower portion;
• a selectively removable first filter disposed within a portion of the liquid flow pathway before the supplement retention chamber, the first filter being operable to filter a liquid guided by the liquid flow pathway before the liquid flows through the supplement retention chamber;
• and
• a second filter positioned inside the open lower portion of the cap portion.