Blue toilet seats are a common problem in today's households, and you can try several things to combat it and restore your blue toilet seat to its original color. Baking soda Baking soda has a wide range of applications and can help you not only in baking but also in toilet cleaning. It can help remove blue stains on your toilet seats in combination with vinegar in no time! To get rid of small blue stains that are likely to be caused by the colored dye, try to mix 1/3 cup of soda and 1/3 cup of white vinegar. However, if the stain is more complex (i.e., was caused by the "blue sweat" issue, you can try 1-part vinegar to 2-part baking soda solution. Tip: Try to apply the vinegar baking soda solution as soon as possible after making it. Whilst the chemical reaction is still active, it is most effective at removing the blue stain. Rubbing alcohol Rubbing alcohol is an easy way to remove blue stains from your toilet seat. Here is how to use it if your toilet seat turns blue: 1. Take a cloth and soak it in the rubbing alcohol. 2. Leave a soaked cloth on the toilet seat for about 15-20 min., allowing alcohol to react with the blue stain on the plastic toilet seats. 3. Remove the cloth with rubbing alcohol from the toilet seat. 4. Take another clean cloth and wet it slightly. 5. Wipe down the toilet seat from the remainder of the solution with a clean slightly damp cloth. 6. Now that there is no alcohol residue on the seat, all you have to do is wipe a surface with a dry cloth or towel. Bleach Bleach and water solution can be efficient in removing blue stains. Mix equal amounts of bleach and water and use it to clean the blue toilet seat. After 10 minutes, wipe the toilet seat until there is no residue. Warning: Never mix bleach and rubbing alcohol together. Both are very efficient in removing blue stains on their own, however, once mixed, they form a substance called chloroform. This is highly toxic for humans - it can injure the lungs, eyes, and liver just from breathing it in! The Magic Eraser product Those have become pretty common nowadays as they are very easy to use for households and relatively efficient if the toilet seat turns blue. Just buy a magic eraser product, wet it a bit, and scrub the toilet seat turned blue until toilet seat discoloration disappears. Don't forget to wipe the surface with wet wipes at the end to get rid of the residue! Toilet cleaners There are many efficient cleaners on the shelves nowadays already containing highly efficient chemical substances that will help you to sort the newly noticed blue stain (especially if it is likely to be linked to blue dye). Read usage instructions on each toilet cleaner bottle very carefully - each one can have different directions of use.