10 Best Siding Cleaners 2025 in the United States

The 30 Seconds Outdoor Cleaner is a spray-type cleaner designed to tackle stains caused by organic growth like algae, mold, mildew, and moss. This product is versatile, working effectively on various surfaces including vinyl siding, wood decks, concrete, and more.

The pack includes three bottles and a hose-end spray attachment, which simplifies the application process by allowing you to attach it directly to your garden hose for easy spraying and rinsing. No pressure washing is needed, which adds to its convenience. With a coverage of up to 900 square feet, it is suitable for medium to large cleaning tasks around your home or garden.

The product is also safe for lawns and plants when used as directed, ensuring it won't damage your garden while cleaning your siding. For those looking for a powerful, easy-to-apply siding cleaner that is safe around plants, the 30 Seconds Outdoor Cleaner could be a strong contender.

The Oxy Solve House and Siding Pressure Washer Cleaner is a versatile and effective option for cleaning various siding materials, including vinyl, aluminum, stucco, wood, and brick. Its ability to remove stains and discoloration from algae, moss, and mildew showcases its strong cleaning power. Utilizing hydrogen peroxide, it eliminates grime without relying on harsh chemicals, making it a safer, environmentally friendly choice.

The formula is biodegradable and orally non-toxic, aligning well with eco-conscious users and ensuring safety during application. It comes as a concentrate that, when used with a pressure washer, can clean up to 6,400 square feet, making it efficient for large areas. The liquid form and the included ingredients indicate ease of mixing and use, but it's important to note the product's weight (9.27 pounds) when handling. While the product's drying time isn't explicitly mentioned, its effectiveness in lifting stains with peroxide suggests a reasonably quick process.

This cleaner appears to be a powerful, safe, and environmentally friendly solution for maintaining the appearance of a variety of siding materials. Some users might find the need for a pressure washer as a potential drawback if they don't already own one.

The 30 SECONDS Pro Mold and Mildew Stain Remover is a powerful cleaning solution designed to remove mold and mildew stains effectively without the need for scrubbing. It is versatile, suitable for both indoor and outdoor use on various surfaces such as drywall, wood, fences, decks, vinyl siding, and more.

The '2X Stronger Formula' suggests it has enhanced cleaning power compared to other similar products from the same brand, promising brighter results instantly, which can be particularly useful for flood clean-up scenarios. The product is a ready-to-use refill, making it convenient and easy to apply directly on stains. Its fresh scent is an added benefit, providing a pleasant cleaning experience.

At 128 fl. oz. and weighing 8 pounds, it offers a substantial quantity that should last through multiple cleaning sessions.