Loblaws weekly flyer (ON) offers 6000 PC points ($6) for $15 of sparkling water. Bubly is 4.99 for 12 cans. Buy 3 packs of bubly + a filler (any size sparkling water from Montellier Evian or Bubly) to get your 6000 points. Works out to around 9$ for the bubly 36 cans (or .40 cents each) plus cost of filler. For the filler, Montellier is 1 litre bottles for $1.39 each. You need to have an Optimum card.