Breizh Cola is a nice exact equivalent: https://www.breizhcola.bzh/
My preference goes for tap water obviously but alternatively I just use an organic concentrated soda juice (such https://www.bigallet.fr/produit/sirop-de-cola-bio/ ).
Breizh Cola is a nice exact equivalent: https://www.breizhcola.bzh/
My preference goes for tap water obviously but alternatively I just use an organic concentrated soda juice (such https://www.bigallet.fr/produit/sirop-de-cola-bio/ ).