More and more fridges are being stocked with the colorful cans and various flavors from La Croix and similar beverages.

Meanwhile, soda continues to slide down the totem pole in the soft drink space.

It’s no secret. LaCroix has increased its Instagram following from 800 to 157,000 followers since 2016. During that time period, bottled water sales surpassed that of soda sales for the first time.

Things are changing.

People’s tastes and...