this is from What's Up Fagans
Mix 8 oz of hydrogen peroxide, 3 tbsp of baking soda, and a drop of liquid dish soap in the spray bottle. A few drops of lavender essential oil are also welcome additions.
Then, gently shake the bottle. Apply the solution evenly over your mattress, paying close attention to any spots with stains.
Vacuum up the baking soda residue after an hour, or whenever the mattress dries.
this is from What's Up Fagans
After this process is complete, your mattress will be fresh, clean, and odor-free. Take a look at how drastically different the two photographs are! The credit for this fantastic hack goes to Katelyn. For anybody in the market for a new bed in the future, I highly recommend the "Best Mattress in Australia 2021" guide.