Drain Maintainer HydroForce® Drain Maintainer is a natural, non-pathogenic bacteria formula which helps keep drains clear. When used on a regular basis, it effectively consumes oils and greases to keep drains flowing freely. The easy to measure, tip & pour spout makes certain that you are dosing the correct amount for maximum effectiveness. Natural Formula, Safe and Effective. ^ Industrial strength, ready to use formula. Safe and easy to dose. Unique tip & pour spout. ^ Uses natural microbes to consume waste. ^ Non toxic; pleasant odor. Recommended for use on: sinks, grease traps, drinking fountains, floor drains, and shower drains. HydroForce® Drain Maintainer is designed to be used weekly for drain maintenance. Clears Out Drains and Traps Easy to Measure Spout Safe: Uses Natural Microbes Read warnings on back panel. Your Best Solution™ CRC Industries is a worldwide leader in the production of specialty chemicals for maintenance and repair professionals serving industrial, electrical, aviation, automotive and marine markets. CRC is ISO 9001:2008 certified and adheres to the strictest guidelines for quality in all facets of research, CRC®, KXW®, Sta-Lube®, Marykate® and products denoted with ® and ™ are trademarks