Apply BioOne to slow drains and free flowing drains during times of lower water usage. Completely stopped drains should be cleared prior to applying BioOne.
Slow Drains: Mix one level scoop (one tablespoon) of BioOne in one pint of warm water. Introduce to slow flowing drain. Treat daily for five consecutive days or until drain flows normally.
Routine Maintenance: Treat all drains once per month.