Simplify the following text for a Grade 6 native English-speaking person.
Original: Just under two hundred years later London chemist Henry Bollmann Condy had an interest in disinfectants , and marketed several products including ozonised water .
Simplified: Just under 200 years later a Londoner named Henry Bollmann Condy was a chemist . He had an interest in disinfectants and made some things like ozonised water .