CLR Pro is powerful and effective to dissolve the hardest of calcium and lime buildup. It is safe on all plumbing, such as copper, plastic PVC, etc. Use in a well-ventilated area while wearing rubber gloves and standing on a non-slip surface, mix equal amounts of CLR and warm water. The professional cleaner be used on water fountains, showerheads, icemakers, coffee pots, hard water stains, drain and pipes, sinks and faucets, humidifier filters and more. The 55 gallon CLR Drum is an excellent and economic choice for large facilities and operations.

Key benefits:

• Powerful patented formula
• Multi-purpose, multi-surface
• For commercial and industrial use
• Non-toxic, biodegradable
• Unscented
• Proudly Made in the USA