Welcome to the J. Racenstein Learning Center—your go-to resource for professional cleaning knowledge. Here you’ll find in-depth articles, buyer’s guides, tutorials, and expert insights covering everything from pure water systems and cleaning skids to chemicals, tools, and techniques. Every piece of content is created to help professional cleaners work smarter, choose the right equipment, and get better results in the field.
Whether you’re researching new gear, planning an upgrade, or looking to improve your process, this hub is built to support real-world cleaning professionals with practical, proven information.
What you need to Know about Sap in the wood planks, Wizard of Wood
Sweatshirts and Projections: It's That Time of Year
How Reverse Osmosis (RO) Works for Window Cleaning
Window Cleaning
Clearing the Pressure Jet in the Solar brush Water Motor
Bare Brick Graffiti Remover - Removing Graffiti from Brick Surfaces
Building Cleaning
Custom Builds by ProTool
Creating a High-Rise Window Cleaning Safety Plan
Window Cleaning
RHG Ultra Valve
Is the RO Still Working?