About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

KLARBERG
Upholstery cleaner

KLARBERG Upholstery Cleaner Concentrate is an effective and gentle stain remover that achieves very good results in many areas of application. Whether on sofas, upholstered furniture, car seats or clothing, the concentrate effortlessly removes even stubborn stains such as red wine, coffee or grease.
It not only provides effective cleaning, but also long-lasting protection against future stains. The use of the product was positive overall, although additional instructions for use or a measuring cup for the exact mixing ratio would have been desirable.
The upholstery cleaner is available in a 1 liter bottle as well as a 500 ml bottle.

Advantages

✅ Powerful stain remover for different surfaces
✅ Gentle formula
✅ Suitable for washing vacuum cleaners and wet vacuum cleaners

Disadvantages

❌ Additional instructions for use desirable

The first impression

Packaging and contents

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkScore achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingNo original product packaging available at the time of testing
Package contents & scope1 plastic bottle each with 1 liter and 500 ml content100 points
Instructions for useIn German, written clearly on the label of the plastic bottle95 points
Total98 points
Weighting: 20%
*The maximum score is 100 points

The product was delivered in a typical shipping carton, which was undamaged on arrival and could be opened without any problems. The carton contained a 1 liter plastic bottle and a 500 ml plastic bottle. The carton as product protection proved to be stable and adequately protected the product during transportation. However, no original packaging was available at the time of testing, so no statement can be made in this regard. Instructions for use, information and ingredients are noted on the bottle label, but no additional instructions for use are enclosed.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceGood visual appearance90 points
ProcessingNo damage, no rough edges, no blemishes100 points
StabilityHas a stable effect90 points
Sustainability of the productLess than 15% phosphates95 points
Total94 points
Weighting: 20%
*The maximum score is 100 points
The upholstery cleaner before the test

The KLARBERG upholstery cleaner concentrate is visually in very good condition. No damage, corners or edges were found during processing. The two plastic bottles containing 1 liter and 500 ml are stable and practical. With regard to the sustainability of the product, it should be mentioned that it is a highly concentrated concentrate that contains less than 15% phosphates.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
Cleaning successGood cleaning success95 points
ApplicationEasy to use100 points
Cleaning effortNormal to simple effort95 points
VariabilityFor all textile surfaces in the home and car100 points
YieldDifferent mixing ratios possible depending on soiling, good coverage95 points
Total97 points
Weighting: 45%
*The maximum score is 100 points

Our practical test has shown that the cleaning effect of KLARBERG Upholstery Cleaner is very good and that it is easy to use. The cleaner can also be used undiluted for heavy soiling. However, it is advisable to test the material compatibility on a non-visible area beforehand. It can be used with a spray bottle, which must be purchased separately, or with a bucket of warm water and absorbent cloths, pads or sponges.
In our own practical test, we were able to confirm the positive aspects of the KLARBERG upholstery cleaner. It proved to be very effective for cleaning various textile surfaces in the home and car. The cleaning power of the product was satisfactory overall and largely fulfilled the properties promised by the manufacturer.
The product is a good option for those who want to thoroughly clean their textiles.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioAppropriate80 points
Rating cut4.3 out of 5.0 on Amazon65 points
Total73 points
Weighting: 15%
*The maximum score is 100 points

The KLARBERG upholstery cleaner has received an average rating of 4.3 stars on the Amazon platform. Customers particularly praise the cleaning agent’s economical and easy-to-measure formula. It was positively emphasized that the product removes dirt and stains effortlessly and leaves a pleasant scent. The gentle yet thorough cleaning is also mentioned positively, as stains on upholstery, couches and chairs were effectively removed.
However, some customers mention that they needed a considerable amount of the detergent to clean larger areas and therefore had to purchase additional quantities. In addition, when using a low mixing ratio on long-pile carpets, an unpleasant greasy film was criticized, which made subsequent cleaning necessary.
In our own practical test, we were able to confirm the positive aspects of the upholstery cleaning agent.

Prices of up to €35.80/l are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €11.90/l. The KLARBERG upholstery cleaner is therefore currently in the middle price segment with a price of 17.99 €/l. For the quality and performance received, the price-performance ratio is reasonable.

Overall result

WeightingScore achieved*
1. packaging & contents20%98 points
2. product processing & appearance20%100 points
3. in the practical test45%100 points
4. price/performance & consumer ratings15%75 points
Total94 points
*The maximum score is 100 points
Upholstery cleaner
of the brand
KLARBERG
achieved
94
Points in our test and therefore passed. The test was carried out in the test period
07/23
and is stored in our database under the licence number
230624004
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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