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When it comes to rubbing alcohol, you mainly want to go for the 70% if you want to efficiently kill bacteria. At 90% it'll evaporate before it can actually get through the cell walls and kill the bacteria.
When it comes to rubbing alcohol, you mainly want to go for the 70% if you want to efficiently kill bacteria. At 90% it'll evaporate before it can actually get through the cell walls and kill the bacteria.