The Fuller Window Cleaner, also known as the Full Crystal Window and Outdoor Surface Cleaner, is a hose-attached spray system designed to clean exterior surfaces, particularly windows, without the need for ladders or manual scrubbing. This “As Seen On TV” product uses proprietary cleaning crystals that mix with water to dissolve dirt, dust, pollen, and grime, promising a streak-free finish for windows up to 27 feet high.

What is Fuller Window Cleaner (Full Crystal) and Why Consider It?
The Fuller Window Cleaner refers to the Full Crystal Window and Outdoor Surface Cleaner, a specialized system designed to clean outdoor surfaces, especially windows, with minimal effort. It stands out from conventional cleaning methods by offering a hose-attached spray system that eliminates the need for ladders, scrubbing, and multiple tools. The core of this system is its unique cleaning crystals, which dissolve dirt, dust, pollen, and grime when mixed with water. For see our window cleaning recommendations on this site.
The primary appeal of the Full Crystal system lies in its ability to address common outdoor cleaning frustrations. If you’ve ever spent hours climbing ladders, scrubbing stubborn grime, or dealing with frustrating streaks, the idea of a simple spray-and-rinse solution is highly attractive. It’s designed to save time and effort, transforming a daunting task into a quick and convenient routine. Many users consider it a valuable tool for maintaining a clean exterior without the physical strain associated with traditional window washing.
How Does the Full Crystal Window Cleaner Work?
The Full Crystal Window Cleaner operates on a straightforward principle: connect, spray, and rinse. The system typically includes a specially designed sprayer bottle that attaches directly to your garden hose. Inside this bottle, you place the proprietary cleaning crystals. When water flows through the hose and into the sprayer, it mixes with these crystals, creating a cleaning solution that is then propelled onto the target surface.
The “secret” is in these Fuller Cleaning Crystals, which are formulated to dissolve various outdoor contaminants like dust, dirt, pollen, and grime. After spraying the solution onto windows, screens, or other surfaces, you allow it to sit briefly before rinsing it off with clean water from the same hose attachment. This one-step application and rinse process is designed to leave surfaces spot-free and streak-free without manual scrubbing or wiping.
Key Features and Benefits of Fuller’s Full Crystal System
The Full Crystal Window Cleaner boasts several features aimed at making exterior cleaning faster and easier:
- “No Ladders, No Problem”: One of the most significant advantages is its impressive reach. The power sprayer allows you to clean windows up to 27 feet high, often reaching second and even third-story windows without the need for precarious ladders, keeping your feet safely on the ground.
- Streak-Free Shine: The product is advertised to deliver a “streak-free, spot-free sparkle” for windows, making them “so clear your glass will disappear”. This claim is a major draw for many who struggle with residual streaks from other cleaning methods.
- Multi-Purpose Cleaning: Beyond just windows, the Full Crystal system is marketed as an all-purpose outdoor cleaner. It can be used on screens, siding, cars, RVs, boats, patio furniture, and even gutters, offering versatility for various household exterior cleaning needs.
- Plant-Safe Formula: The manufacturer states that the cleaner is “harmless to grass, plants, and shrubs”. This is a crucial benefit for homeowners concerned about protecting their landscaping while cleaning. some user reviews have reported damage to specific grass types, such as Sir Walter buffalo grass, indicating that caution might be warranted for certain sensitive plants.
- Coverage: A single 4 oz packet of the cleaning concentrate is typically designed to clean up to 20 exterior house windows, making it an efficient solution for larger homes.
Fuller Window Cleaner: Pros and Cons from User Experiences
Like many “As Seen On TV” products, the Full Crystal Window Cleaner garners a range of opinions from users. Here’s a balanced look at its reported pros and cons:
Pros:
- Convenience and Ease of Use: Many users laud the system for its simplicity. Attaching it to a hose, spraying, and rinsing can significantly cut down cleaning time and effort, especially for hard-to-reach areas.
- Effective for General Grime: For routine cleaning of dust, pollen, and light dirt, many find the Full Crystal system performs well, leaving windows and screens noticeably cleaner.
- Cleans Screens Simultaneously: The ability to clean window screens without removing them is a frequently praised feature, adding to the overall convenience.
- No Ladders Required: The extended reach of the sprayer is a major safety and convenience factor, particularly for multi-story homes.
Cons:
- Mixed Results on Streak-Free Claim: While many report streak-free results, a significant number of users find that it leaves streaks or a film, especially if not rinsed properly or if dealing with hard water. Some have noted that manual wiping might still be necessary for a truly flawless finish.
- Potential for Grass Damage: Despite claims of being plant-safe, at least one review highlighted damage to Sir Walter buffalo grass after using the product, suggesting that runoff might harm certain sensitive vegetation.
- Product Reliability Issues: Some users have experienced leaky bottles, ill-fitting hose connections, or issues with the spray mechanism, leading to wasted product and frustration. One user reported the valve popping off and hitting them in the face, causing cleaning solution to spray everywhere.
- Not Always Effective for Heavy Dirt: For extremely dirty windows or stubborn grime, some reviewers found the cleaning power insufficient, requiring additional manual effort or an alternative cleaner.
- Refill Availability and Cost: Several users, especially in certain regions like Australia, reported difficulties in finding refill crystals or finding them at prohibitive prices, which can make long-term use less practical.
- Water Usage: While convenient, the hose-attached system may use a considerable amount of water, which can be a concern for environmentally conscious users or those in drought-prone areas.
> “The convenience of a hose-attached system for high windows is undeniable, but it’s crucial to manage expectations regarding truly streak-free results and always test in an inconspicuous area for plant safety.”
Is Fuller Window Cleaner the Right Choice for You? (Buying Guide)
Deciding if the Full Crystal Window Cleaner is the right solution for your home depends on your specific needs, expectations, and cleaning priorities.
Considerations when choosing:
- Type of Windows and Property: If you have numerous high windows, second stories, or hard-to-reach areas, the “no ladder” benefit is a strong pull.
- Level of Dirt: For light dust, pollen, and general grime, it can be quite effective. For heavy build-up, hard water stains, or very stubborn dirt, you might need a more intensive solution or manual intervention.
- Budget and Long-Term Cost: While the initial kit might be affordable, consider the cost and availability of refill crystals, especially if you have many windows or clean frequently.
- Desired Outcome: If speed and convenience are paramount, and you’re satisfied with “clean enough,” this product could be a good fit. If you demand absolute perfection and a perfectly streak-free, spotless finish every time, you might find yourself supplementing with traditional methods.
- Plant Safety Concerns: If you have particularly sensitive landscaping or specific grass types (like Sir Walter buffalo grass), you might want to exercise extreme caution or consider alternatives to avoid potential damage.
Who it’s best for:
- Homeowners with multi-story homes or inaccessible windows.
- Individuals seeking a quick and easy method for routine exterior window and screen cleaning.
- Those who prioritize safety by avoiding ladders.
- People looking for a versatile outdoor cleaner for various surfaces.
Who might need alternatives:
- Those requiring a flawless, 100% streak-free finish without any additional effort.
- Individuals dealing with exceptionally heavy grime or specific types of stains.
- Homeowners with highly sensitive gardens where any chemical runoff could be detrimental.
- Users in areas with strict water conservation rules.
Tips for Maximizing Results with Your Fuller Window Cleaner
To get the best possible outcome from your Full Crystal Window Cleaner, consider these tips:
- Read Instructions Carefully: Always follow the manufacturer’s specific directions for crystal-to-water ratio, application, and rinsing times.
- Pre-Rinse (Optional but Recommended): For very dirty windows, a quick pre-rinse with plain water can help remove loose debris, allowing the cleaning solution to work more effectively.
- Apply Evenly: Ensure the cleaning solution covers the entire surface you intend to clean.
- Allow Dwell Time: Let the solution sit for the recommended period to allow the crystals to dissolve dirt and grime before rinsing.
- Rinse Thoroughly: This is crucial for avoiding streaks. Rinse from top to bottom, ensuring all cleaning solution is completely washed away. Some users find that using purified water for the final rinse can help minimize mineral deposits and streaks.
- Check Hose Connections: Before use, double-check that all hose connections are secure to prevent leaks and ensure proper product delivery.
- Test on Plants: If you’re concerned about sensitive plants, spray a small, inconspicuous area of your landscaping first and monitor for any adverse reactions before widespread use.
Conclusion
The Fuller Window Cleaner, embodied by the Full Crystal Window and Outdoor Surface Cleaner, offers a compelling solution for exterior window and surface cleaning, particularly for those looking to avoid ladders and reduce manual effort. Its hose-attached system, designed to dissolve dirt and grime with specialized crystals, promises a sparkling, streak-free finish across windows, screens, and various outdoor surfaces. While praised for its convenience and reach, user experiences highlight a mixed bag regarding consistently streak-free results and occasional concerns about equipment reliability and plant safety. This “As Seen On TV” innovation shines brightest for homeowners seeking a quick, low-effort method for routine maintenance of high or hard-to-reach areas.
Considering the trade-offs between speed and perfection, could the Fuller Window Cleaner be the key to simplifying your outdoor cleaning routine?
Frequently Asked Questions
Is Fuller Window Cleaner truly streak-free?
While advertised as streak-free, user reviews are mixed. Many achieve good results, but some report streaks, especially with hard water or improper rinsing. Thorough rinsing is critical to minimize this issue.
Can I use the Full Crystal system on all outdoor surfaces?
Yes, it’s designed for versatility, including windows, screens, siding, cars, RVs, boats, and patio furniture. Always test on an inconspicuous area first, especially for painted or delicate surfaces.
Is Fuller Window Cleaner safe for my garden?
The manufacturer claims it’s harmless to plants, grass, and shrubs. However, some users have reported damage to specific grass types. It’s advisable to pre-wet surrounding plants and rinse them thoroughly after use, or avoid direct contact with highly sensitive vegetation.
Where can I buy refills for the Full Crystal Window Cleaner?
Refill availability can vary by region. Check major retailers like Walmart or “As Seen On TV” product websites. Some international users have reported difficulties sourcing refills locally or at reasonable prices.
How many windows can one packet of Full Crystal clean?
A typical 4 oz packet of the cleaning concentrate is generally stated to clean up to 20 standard exterior house windows. However, actual coverage may vary based on window size, dirt level, and application technique.
How to Maximize Results with Fuller Window Cleaner
Follow these steps to achieve the best possible outcome when using your Full Crystal Window Cleaner for exterior surfaces.
Always begin by thoroughly reading and following the manufacturer's specific directions. Pay close attention to the recommended crystal-to-water ratio, application techniques, and dwell times for optimal performance.
For windows or surfaces with significant dirt or debris, a quick pre-rinse with plain water is recommended. This helps remove loose contaminants, allowing the cleaning solution to work more effectively on stubborn grime.
Ensure the cleaning solution is applied evenly across the entire surface you intend to clean. Let the solution sit for the recommended period, allowing the proprietary crystals to dissolve dirt and grime before proceeding to the rinse stage.
Thorough rinsing is crucial for preventing streaks. Rinse the surface from top to bottom, ensuring all cleaning solution is completely washed away. Some users find that a final rinse with purified water can further minimize mineral deposits and streaks.
Before each use, double-check all hose connections to ensure they are secure and prevent leaks. If you have sensitive landscaping, spray a small, inconspicuous area of your plants first and monitor for any adverse reactions before widespread application.
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I was skeptical about the ‘As Seen On TV’ claim, but the Full Crystal cleaner really delivers! My second-story windows are always a pain, and I hate getting on a ladder. This hose-attached system made quick work of all the pollen and dust, and I got a streak-free finish just like it promised. Definitely worth it for anyone with hard-to-reach windows.
The idea of cleaning windows up to 27 feet high without a ladder was very appealing. While it did clean most of the dirt off my windows, I found that the streak-free finish wasn’t quite perfect on all of them, especially when the sun hit them just right. It’s good for a quick clean, but for a truly pristine look, I might still need to do some manual touch-ups.
This product is a game-changer for exterior cleaning! I used to dread cleaning my outdoor surfaces, especially the windows, because of all the scrubbing involved. The Full Crystal system dissolved all the dirt and dust with minimal effort. It’s so easy to use with just a hose, and I love not having to haul out a bucket and sponges.
I’ve been looking for a good solution for my commercial building’s exterior windows, and the Fuller Window Cleaner did a pretty good job. The proprietary cleaning crystals mixed well, and it definitely cut down on the grime. I still had a few stubborn spots that needed a little extra attention, but overall, it saved me a lot of time and effort compared to traditional methods.