Wet & Forget Outdoor Moss Mold Mildew & Algae Cleaner - Hose End Jet

In this review the Wet & Forget Outdoor Xtreme Reach Hose End cleaner is judged as a practical option for homeowners who want a low-effort way to reduce moss, mold, mildew, and algae stains on roofs, siding, driveways, and decks. The single biggest reason to buy is convenience: the bottle snaps onto a garden hose and the jet tip sprays up to 30 ft so hard-to-reach siding and roof areas can be treated without ladders. Expect visible improvement over weeks rather than instant results, so this review favors patience and broad coverage over fast, abrasive cleaning.

Key Features

• Xtreme Reach Hose End: The attachment connects to a garden hose and the jet tip reaches up to 30 ft to apply cleaner to second story siding and roofs safely from the ground.
• Fan Tip Option: A fan spray covers large horizontal surfaces like driveways and patios quickly for a uniform application across broad areas.
• No Rinse Required: The formula is designed to work with wind and rain so treated surfaces clean over time without scrubbing or immediate rinsing.
• Bleach Free and Non-Acidic: The product avoids harsh bleach and acid, making it suitable for a range of materials and safer around common outdoor surfaces.
• Long Lasting Protection: Treated areas can stay clean for up to a year or longer when applied correctly and in appropriate weather.

Who It's For

This cleaner is best for homeowners and property managers who prefer a low-effort, spray-and-wait approach to outdoor stains and need to treat large or high surfaces without climbing. It suits people who can plan applications on cool, dry days and live in climates where rain will help rinse the product over time.

It is less suitable for those who expect immediate, scouring-level results on heavily stained, porous driveways or for users who need same-day restoration; stubborn black stains and long-established growth may take many months to fade and heavy porous surfaces will absorb more product.

Pros & Cons

Pros

• Easy hose-end attachment makes application from the ground simple and quick.
• Works without rinsing and cleans naturally over time with wind and rain.
• Bleach free and non-acidic formula is compatible with many outdoor surfaces.

Cons

• Visible results can be slow for black or long-established stains, sometimes taking months.
• Effectiveness on heavily soiled or porous driveways is mixed and may require additional treatments.

Specifications

Our Verdict

The Wet & Forget Outdoor Xtreme Reach Hose End cleaner is a solid value for anyone wanting a low-labor way to reduce outdoor green and black stains across large or high areas. It is best for routine maintenance and broad coverage rather than rapid stain removal; patience is required, but the hose attachment and bleach-free formula make it a practical choice for most homeowners.

Frequently Asked Questions

How long before I see results?
Green stains usually fade within 1-2 weeks while black or heavy stains can take several months to fully clear.

Do I need to rinse after application?
No rinsing is required; apply on a cool, dry surface and allow wind and rain to work the product over time.

How much area does one bottle cover?
Each 48 fl oz bottle treats up to about 2,000 sq ft, though heavy stained or porous areas will use more product.