Nisa has signed a retail partnership with SodaStream which will enable its partners to sell SodaStream supplies. The partnership, which began its rollout in December, will enable consumers to buy and exchange gas cylinders with ease from select Nisa stores. Each cylinder is lightweight and makes up to 60 litres of sparkling water for customers. Tiago Alves, general manager UK and Ireland at SodaStream, said: ?Our customers want increased availability to buy and exchange gas