When it comes to killing mould, methylated spirits works the same way as vinegar. It penetrates the mould spores and makes the mould explode. ... The best part about methylated spirits is that it is a neutral cleaner. This means it is safe to use on most surfaces in your bathroom, including grout.

Is alcohol or vinegar better to kill mold?

Don't use vinegar to clean marble or granite because it can eat away at the surface and cause discoloration. To clean these fragile materials, the Organic Consumers Association suggests using rubbing alcohol or vodka with water. To clean mold with vinegar, just spray it on the moldy surface and leave it.

Can I mix methylated spirits with vinegar?

"Vinegar and methylated spirits actually penetrate into the fungi and makes it explode" described Dr Heike. The solution mix is either 70 percent white vinegar with water or 80 percent methylated spirits mixed with water. Plain white vinegar is preferred as it is not a chemical pollutant, adding to your toxic air.