Did you know baking soda can actually expire? 🤯 Here’s a quick way to test if yours is still fresh: just add a little warm water if it bubbles, it’s still active! ✨ It works because baking soda reacts with the heat and moisture to release carbon dioxide gas the same reaction that makes your cakes rise and your cleaning fizz! 🧁💨 #ZeroWasteLiving #EcoHomeHacks #MoneySavingTips #SustainableLiving #DIYKitchenHacks | Olivia's World