A closure cap (2910, 3010) for a container, the closure cap comprising a base (2912, 3012) and a flip-top lid (2914, 3014) and a disk (2938, 3038), wherein: the base (2912, 3012) comprises an outer skirt (2916, 3016) and an inner skirt (2918, 3018) connected by a planar section (2920, 3020), a dome-shaped central portion (2924, 3024) having an opening (2926, 3026) disposed therein, the opening (2926, 3026) being generally aligned with an internal shaft (2927, 3027) extending from the dome-shaped surface (2924, 3024) and terminating at a non-planar end surface (2928, 3028), and an internal annular attachment skirt (2929, 3029) depending from the dome-shaped central portion (2924, 3024); the inner skirt (2918, 3018) includes threads (2922, 3022) disposed on an internal surface of the inner skirt (2918, 3018); the flip-top lid (2914, 3014) comprises an interior projection disposed on an inner surface of the flip top lid (2914, 3014), the flip-top lid (2914, 3014) being moveable between a first position in which the interior projection blocks the opening (2926, 3026) and a second position where the interior projection is not positioned in the opening (2926, 3026); the disk (2938, 3038) comprises an exterior annular wall (2940, 3040), partial annular slots (2946, 3046) and internal flanges (2948, 3048); a mixing chamber is formed by the disk (2938, 3038), the dome-shaped central portion (2924, 3024), the internal annular attachment skirt (2929, 3029) and the internal shaft (2927, 3027); one or more fluid channels are formed by the non-planar end surface (2928, 3028) of the internal shaft (2927, 3027), the disk (2938, 3038) and the partial annular slots (2946, 3046); and wherein the base (2912, 3012) comprises a first angled tip and/or the disk comprises a second angled tip. the base (2912, 3012) comprises an outer skirt (2916, 3016) and an inner skirt (2918, 3018) connected by a planar section (2920, 3020), a dome-shaped central portion (2924, 3024) having an opening (2926, 3026) disposed therein, the opening (2926, 3026) being generally aligned with an internal shaft (2927, 3027) extending from the dome-shaped surface (2924, 3024) and terminating at a non-planar end surface (2928, 3028), and an internal annular attachment skirt (2929, 3029) depending from the dome-shaped central portion (2924, 3024); the inner skirt (2918, 3018) includes threads (2922, 3022) disposed on an internal surface of the inner skirt (2918, 3018); the flip-top lid (2914, 3014) comprises an interior projection disposed on an inner surface of the flip top lid (2914, 3014), the flip-top lid (2914, 3014) being moveable between a first position in which the interior projection blocks the opening (2926, 3026) and a second position where the interior projection is not positioned in the opening (2926, 3026); the disk (2938, 3038) comprises an exterior annular wall (2940, 3040), partial annular slots (2946, 3046) and internal flanges (2948, 3048); a mixing chamber is formed by the disk (2938, 3038), the dome-shaped central portion (2924, 3024), the internal annular attachment skirt (2929, 3029) and the internal shaft (2927, 3027); one or more fluid channels are formed by the non-planar end surface (2928, 3028) of the internal shaft (2927, 3027), the disk (2938, 3038) and the partial annular slots (2946, 3046); and wherein the base (2912, 3012) comprises a first angled tip and/or the disk comprises a second angled tip.