<human>:  What is the difference between a pH level of 7 and 8?
<bot>: The difference between a pH level of 7 and 8 is that a pH level of 7 is considered neutral while a pH level of 8 is considered alkaline. pH is a measure of the acidity or basicity of a solution which ranges from 0-14, with 7 being the middle point. Anything lower than 7 is considered acidic and anything higher than 7 is considered basic or alkaline.