This is an audio excerpt from a podcast episode focused on the fundamentals of mixing softwash solutions for exterior cleaning. The speaker, Mark Cave, emphasizes the importance of practical knowledge and encourages listeners to practice mixing their own solutions, starting with basic ratios using common household items like a watering can. He highlights the common misconception that softwashing is environmentally damaging and encourages listeners to learn the truth about the process. Cave then provides a step-by-step guide for creating a basic 5% softwash solution, breaking down the proportions into visual metaphors for easier understanding. He emphasizes the importance of using the correct ratios for different surfaces and emphasizes the benefits of his Softwashing Pro app, which provides precise mixing calculations and saves time and money on chemicals.