Concrete cleaning success hinges on matching PSI to the surface’s condition—too much pressure damages the concrete’s cream layer, while too little fails to lift embedded grime. Knowing the right PSI range is the first step to a streak-free, undamaged clean. For light-duty cleaning (1,500–2,000 PSI), use this gentle pressure for routine upkeep on new or well-maintained concrete like pool decks or patios. It safely rinses loose debris, pollen, and surface dust, and is the only safe option for “green” concrete (poured in the last year) that’s prone to scarring. Medium-duty cleaning (2,500–3,000 PSI) is the sweet spot for most residential driveways and sidewalks, cutting through organic growth in concrete pores without excessive risk. Pair it with a 25° or 40° nozzle to avoid etching. Heavy-duty cleaning (3,000–4,000+ PSI) is for industrial restoration—removing oil stains, old paint, or commercial parking lot grime. This high pressure is risky for residential use; always use a surface cleaner attachment to spread pressure evenly and prevent permanent damage. Choosing the right PSI isn’t just about power—it’s about protecting your concrete while getting it truly clean. Click here to know more.