TLDR Review: "Wet & Forget Outdoor Cleaner Concentrate"
Pros
- •Effectively cleans a variety of outdoor surfaces including driveways, fences, retaining walls, brick, granite, composite decks, and cedar roofs.
- •Slowly but surely removes moss, lichen, mold, and mildew with minimal effort, relying on natural rain, snow, and wind instead of pressure washing.
- •Lonasting effects that can keep surfaces clean and resistant to moss and lichen for up to two years or more.
- •Requires only a single annual or biennial application to maintain results, saving time and effort.
- •Safe for use near nodible plants, avoiding damage to landscaping.
- •Using a battery sprayer enhances application speed compared to manual sprayers, making treatment less of a chore.
- •Ideal for those who prefer a gentle, loaintenance solution rather than harsh chemicals or intense scrubbing.
- •Over 10 years of proven effective and reliable performance gives confidence in the product’s consistency.
- •Leaves treated wood surfaces looking naturally weathered rather than overly bright or stripped.
Cons
- •Takes a long time to see visible results—often up to a year or longer—so patience is essential.
- •Not suitable if you need quick, instant cleaning, as it works gradually over many months.
- •Could accelerate deterioration on old cedar roofs since it removes moss that sometimes acts as a protective water barrier.
- •Results vary depending on the type of surface and stain severity, so effectiveness can be inconsistent in some cases.
- •Some users might find application tricky without proper sprayers or ideal weather conditions like a dry fall day.
Bottom Line
If you're after a no-fuss, eco-friendly outdoor cleaner that gradually erases moss, mold, mildew, and algae without pressure washing, Wet & Forget Moss, Mold, Mildew, & Algae Stain Remover is a solid pick — just don’t expect magical overnight results. It’s perfect for those who can be patient and want long-term maintenance with minimal effort. However, if you need a faster fix or have delicate old cedar roofs, you might want to consider other options tailored to quick cleaning or gentle roof treatments. Overall, this concentrate offers reliable performance and impressive longevity for typical yard and hardscape surfaces.
How we researched this
About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.
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