... a lemon, and an original just like everyone else, but Polar also offers some blends that are tasty enough to curb your desire for cola or root beer. We drank them all to find out. You'll see the same two … In the past, Polar's lineup has featured ambiguously named flavors like Unicorn Kisses, Mermaid Songs, and Yeti Mischief. Another popular brand of flavored sparkling water is La Croix. There are 19 different flavors of Polar seltzer water. And, … La Croix Sparkling Water. But which of LaCroix's closest competitor's flavors is best? LaCroix’s grapefruit seltzer is called pamplemousse, which is the French word for “grapefruit.” For me, LaCroix came up short and became their own interpretation of grapefruit. Rating: 6. Polar offers Ruby Red Grapefruit seltzer, like the other Polar … Ultimately, you'll find that many seltzers and sparkling waters have the exact same ingredients. Look at a label for Polar Seltzer and LaCroix Sparkling Water.