For a durable and lightweight surface attachment under $250, you might consider models from reputable brands like Karcher or Powerfit, ensuring they have sturdy construction and replaceable parts.
Regarding your pressure washer, investing in a machine with adjustable PSI settings could indeed be beneficial, allowing for greater versatility in various cleaning tasks. Brands like AR Blue Clean and Sun Joe offer models with adjustable pressure settings that may suit your needs.
As for soft washing tutorials, platforms like YouTube can be invaluable resources, providing step-by-step guides and tips from experienced professionals. Look for tutorials from trusted sources that cover equipment, techniques, and safety considerations specific to soft washing.