How to care for Balances and Science Laboratory Balance Use. Balances are an essential component of any high school science lab. Flinn Scientific carries balances that vary in precision from 1 g to 0.0001 g. Following are tips to properly use, store and maintain balances. Science Laboratory Balances should always be placed on a level and sturdy surface. Recalibrate electronic balances every time they are physically moved from one location to another.