Pro-Link 23% Heavy Duty

Most-aggressive, fastest acting PRO-LINK bowl cleaner, for heavy soil encrustation and hard water deposits. Ready to use. Rich sudsing action dissolves tough iron, calcium, and lime deposits. Dissolves the heaviest mineral and rust deposits. Perfect for restroom, areas with extremely hard water, or for infrequently cleaned urinals or toilet bowls. Inhibited to protect pipes and traps.