To loosen rusty nuts and bolts, pour some soda water over them. The carbonation helps to bubble the rust away.
Eliminate urine stains
Did your kiddo or pet have an accident? After blotting up as much urine as possible, pour soda water over the stained area and immediately blot again. The soda water will get rid of the stain and help reduce the foul smell.
Ease cast-iron clean-up
Food tastes delicious when it’s cooked in cast iron, but cleaning those heavy pots and pans with the sticky mess inside is no fun at all. You can make the clean-up a lot easier by pouring some soda water in the pan while it’s still warm. The bubbly soda will keep the mess from sticking.