surface 156 pouch 154 has a sidewall 158 that is sealed along both sides 160 and along a bottom 162 edge to form an interior chamber 164 that includes second liquid 132 clamp 152 seals a top edge 166 of pouch 154 an aperture 168 extends through stem 150 and an opening in clamp 152 and is in fluid communication with interior 164 of pouch 154 a membrane 170 seals aperture 158 at a top end of stem 150 stem 150 and clamp 152 may be molded from a plastic material or other similar material pouch 154 may be made from foil plastic or other similar material membrane 170 may be a thin sheet of foil plastic or other similar material as shown in fig1 second valve 24 may be inserted into aperture 76 u2032 of lid 20 u2032 and stem 72 of lid 20 u2032 may be inserted through first opening 38 of cap 12 and disposed within aperture 54 of stopper 14 to form lid assembly 96 u2032 lid assembly 96 u2032 then may be coupled to second container 18 u2032 in particular cutting edge 148 of blade 146 may be used to puncture membrane 170 of second container 18 u2032 and cuff 140 may then slide over stem 150 interior sidewall 144 of cuff 140 forms a snug fit against the outer surface 156 of stem 150 so that second container 18 u2032 is securely attached to lid 20 u2032 as illustrated in fig1 second container 18 u2032 may then be inserted into first container 16 and cap 12 may then be securely coupled to mouth 26 to form multi fluid dispensing system 10 u2032 the operation of multi fluid dispensing.