Best Quart 400 2026

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Last Updated - 22.07.2026

Best Choice

01

Ago

AGO Quart Complete Set 2L Quart 400Highly Concentrated Green Remover + Compressed Air Püher Professional Special 6Bar, mit 50cm Brass Extension. Against Algae, Lichens And Other Surfaces. Biodegradable Green, Chlorine and acid free

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9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Safety: use biocidal products carefully - read the label and product information before use. BAuA N-115372
Long-term effect - The green algae remover has a slightly disinfecting effect from 15-18 months from application and thus eliminates micro-organisms in the long term.
Gentle – The lichen remover has a biological basis, is therefore surface-friendly and suitable for a wide range of materials - can also be used for wood, plastic and as an awning cleaner.
Effective – remove lichen without pressure washer and scrubbing – with this green growth remover concentrate, green algae disappear after a few days, black algae within a year.
Economical - Apply the patio tile cleaner with a mixing ratio of 1:20. Use the pressure spray bottle (3 bar) included in the set including 50 cm extension.

99,95 €
02

ABACUS

ABACUS Nell Ultra Green Growth Remover & Algae Remover Concentrate, Extremely Strong! Removes Green Growth & Algae Automatically Without Scrubbing - For Stone, Facade, Patio, Roof - Nell Ultra 5

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Very high yield: the Nell Ultra green growth remover has one of the highest active ingredient content on the market with 40% active ingredient. This makes our green growth remover not only extremely effective, but also very economical - with one litre of our algae remover, up to 100 m² of area of algae and green growth can be freed. This exceptionally high efficiency protects the environment and your wallet without compromising on quality.
Versatile effective: our green growth and algae remover is a real all-rounder and can be used on all waterproof surfaces. It is the perfect helper for outdoor use and is ideal for removing green growth on patios, pavements, stones, facades, plaster, walls, gravestones, roofs, fences, awnings, WPC and much more.
Proven premium quality: our green growth remover has been removing algae and green growth throughout Germany for over 30 years and has proven itself - more than 2 million bottles sold speak for themselves. The combination of carefully selected ingredients and an exceptionally high active ingredient content ensure the effective and automatic removal of algae, green growth, lichens and fungi that Nell Ultra is known for.
Officially registered: Nell Ultra green growth and algae remover is a biocide: use biocidal products carefully. Always read the label and product information before use. / Reg number: N-116781
Long-term protection with deep effect: our green growth remover offers the self-acting effect as well as the proven long-term protection. The special formula penetrates into the capillaries and removes even the smallest residues of algae, lichens and fungi. This means that surfaces treated with Nell Ultra remain protected from new infestations for up to 12 months - not only looks beautiful, but also saves time and money.
In harmony with the environment: the Nell Ultra green growth remover and algae remover meets even the highest quality standards thanks to its sustainability. Since the environment is important to us, we have developed a green growth remover that is chlorine-free, acid-free and contains no animal ingredients. The selected ingredients can also be completely biodegradable and are safe for humans and animals.
AUTOMATIC CLEANING: The Nell Ultra green growth remover & algae remover removes the green coating by itself and is extremely effective - you can sit back and relax while it does the work. The automatic action of the green growth remover frees patios, walkways and other surfaces from unsightly green deposits without tedious scrubbing and cleaning.

84,90 €
03

Ago

AGO® Quart Green Plaque Remover for Façade Wood, Plastic Roof Tiles, Stone, Plaster, Awning, Concrete, and Much More, Chlorine and Acid-Free, Lichen and Algae Remover Concentrate

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safety - Lichen Remover & Natural Stone Cleaner: Use biocidal products with care. Read the label and product information before using the patio and façade cleaner. BAuA N-72912.
Practical algae and lichen remover: Our algae remover concentrate is biologically based, completely gentle on the surface and can be used on all waterproof surfaces.
Long-lasting effect: The highly effective surface cleaner contains an active ingredient that, once applied for 15-18 months, is slightly disinfectant and kills micro-organisms.
Effective green remover: entirely without the need for high-pressure cleaners - no more scrubbing and rinsing. Green algae disappears after a few days, black algae gradually over the course of one year.
Economical Green Plaque Remover for Wood etc.: 1 x litre of Ago Quart algae and green plaque remover makes 20 x litres of ready-to-use solution.

64,90 €
Value for Money

04

Ago

AGO® Quart Green Plaque Remover for Façade Wood, Plastic Roof Tiles, Stone, Plaster, Awning, Concrete, and Much More, Chlorine and Acid-Free, Lichen and Algae Remover Concentrate, 500 ml

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safety - Lichen Remover & Natural Stone Cleaner: Use biocidal products with care. Read the label and product information before using the patio and façade cleaner. BAuA N-72912.
Practical algae and lichen remover: Our algae remover concentrate is biologically based, completely gentle on the surface and can be used on all waterproof surfaces.
Long-lasting effect: The highly effective surface cleaner contains an active ingredient that, once applied for 15-18 months, is slightly disinfectant and kills micro-organisms.
Effective green remover: entirely without the need for high-pressure cleaners - no more scrubbing and rinsing. Green algae disappears after a few days, black algae gradually over the course of one year.
Economical Green Plaque Remover for Wood etc.: 1 x litre of Ago Quart algae and green plaque remover makes 20 x litres of ready-to-use solution.

23,85 €
05

PROCREA

PROCREA Premium Green Growth Remover "Grünbelag Ex" [For up to 400 m²] Highly Effective Professional Concentrate for Verdigris, Stone, Wood, Moss, Lichens, Fabric and Much More – 20 times Reinforced – Self-acting

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Self-acting – no scrubbing required. Ideal for a wide range of outdoor applications such as patios, roofs, facades, awnings and much more.
Professional – the surface must be dry and remain rain-free for 24 hours. Rain delays the effect. In case of severe infestation, reapply after a few days.
Guaranteed quality – no ifs and buts. Our promise: If something is wrong with our product, you will receive your money back within a short time - order now!
Extra gentle – the green growth remover has a biological basis, is safe for humans and animals and is therefore still gentle on the surface. No risk of slipping after application
Effective cleaning – remove verdigris without pressure washer and scrubbing – with this green growth remover concentrate, green algae disappear after a few days, black algae within a year.

12,90 €
06

Mellerud

MELLERUD Algae & Green Growth Remover - Efficient Detergent for Removing Algae and Green Growth

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use biocidal products carefully. Always read the label and product information before use. BAuA reg no.: N-16571
The concentrate helps to reduce the risk of accidents caused by slippery surfaces, eliminate optical defects and prevent lichen formation
The Mellerud cleaner removes algae and green deposits from stone, wood, glass, plastic, concrete and ceramic surfaces as well as house facades, walls, roofs, fences or even boats and cars
On patios or walls, damp weather often creates a green coating that forms a slippery lubricating film and can attack the material - this is where the algae and green growth remover is used
Easy to use: apply the agent pure or diluted with the spray gun, garden sprayer or watering can evenly on the dry surface and leave to work for at least 24 hours
Box contents: 1 x 1 litre Mellerud algae and green growth remover, effective concentrate for outdoor areas of up to 150 m², brown discolouration indicates the onset of effect

5,95 €
07

ABACUS

ABACUS Nell Ultra Green Growth Remover & Algae Remover Concentrate, Extremely Strong! Removes Green Growth & Algae Automatically Without Scrubbing - Algae & Green Growth Remover 1000 ml with Spray Bottle - Set XS

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Very high yield: the Nell Ultra green growth remover has one of the highest active ingredient content on the market with 40% active ingredient. This makes our green growth remover not only extremely effective, but also very economical - with one litre of our algae remover, up to 100 m² of area of algae and green growth can be freed. This exceptionally high efficiency protects the environment and your wallet without compromising on quality.
Versatile effective: our green growth and algae remover is a real all-rounder and can be used on all waterproof surfaces. It is the perfect helper for outdoor use and is ideal for removing green growth on patios, pavements, stones, facades, plaster, walls, gravestones, roofs, fences, awnings, WPC and much more.
Proven premium quality: our green growth remover has been removing algae and green growth throughout Germany for over 30 years and has proven itself - more than 2 million bottles sold speak for themselves. The combination of carefully selected ingredients and an exceptionally high active ingredient content ensure the effective and automatic removal of algae, green growth, lichens and fungi that Nell Ultra is known for.
Officially registered: Nell Ultra green growth and algae remover is a biocide: use biocidal products carefully. Always read the label and product information before use. / Reg number: N-116781
Long-term protection with deep effect: our green growth remover offers the self-acting effect as well as the proven long-term protection. The special formula penetrates into the capillaries and removes even the smallest residues of algae, lichens and fungi. This means that surfaces treated with Nell Ultra remain protected from new infestations for up to 12 months - not only looks beautiful, but also saves time and money.
In harmony with the environment: the Nell Ultra green growth remover and algae remover meets even the highest quality standards thanks to its sustainability. Since the environment is important to us, we have developed a green growth remover that is chlorine-free, acid-free and contains no animal ingredients. The selected ingredients can also be completely biodegradable and are safe for humans and animals.
AUTOMATIC CLEANING: The Nell Ultra green growth remover & algae remover removes the green coating by itself and is extremely effective - you can sit back and relax while it does the work. The automatic action of the green growth remover frees patios, walkways and other surfaces from unsightly green deposits without tedious scrubbing and cleaning.

39,90 €
08

ABACUS

ABACUS Nell Ultra Green Growth Remover & Algae Remover Concentrate, Extremely Strong! Removes Green Growth & Algae Automatically Without Scrubbing - For Stone, Facade, Patio, Roof - Nell Ultra 2.5 Litres

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Very high yield: the Nell Ultra green growth remover has one of the highest active ingredient content on the market with 40% active ingredient. This makes our green growth remover not only extremely effective, but also very economical - with one litre of our algae remover, up to 100 m² of area of algae and green growth can be freed. This exceptionally high efficiency protects the environment and your wallet without compromising on quality.
Versatile effective: our green growth and algae remover is a real all-rounder and can be used on all waterproof surfaces. It is the perfect helper for outdoor use and is ideal for removing green growth on patios, pavements, stones, facades, plaster, walls, gravestones, roofs, fences, awnings, WPC and much more.
Proven premium quality: our green growth remover has been removing algae and green growth throughout Germany for over 30 years and has proven itself - more than 2 million bottles sold speak for themselves. The combination of carefully selected ingredients and an exceptionally high active ingredient content ensure the effective and automatic removal of algae, green growth, lichens and fungi that Nell Ultra is known for.
Officially registered: Nell Ultra green growth and algae remover is a biocide: use biocidal products carefully. Always read the label and product information before use. / Reg number: N-116781
Long-term protection with deep effect: our green growth remover offers the self-acting effect as well as the proven long-term protection. The special formula penetrates into the capillaries and removes even the smallest residues of algae, lichens and fungi. This means that surfaces treated with Nell Ultra remain protected from new infestations for up to 12 months - not only looks beautiful, but also saves time and money.
In harmony with the environment: the Nell Ultra green growth remover and algae remover meets even the highest quality standards thanks to its sustainability. Since the environment is important to us, we have developed a green growth remover that is chlorine-free, acid-free and contains no animal ingredients. The selected ingredients can also be completely biodegradable and are safe for humans and animals.
AUTOMATIC CLEANING: The Nell Ultra green growth remover & algae remover removes the green coating by itself and is extremely effective - you can sit back and relax while it does the work. The automatic action of the green growth remover frees patios, walkways and other surfaces from unsightly green deposits without tedious scrubbing and cleaning.

54,90 €
09

A.K.B.

A.K.B. Algae & Green Growth Remover Concentrate 20-Way – 4 L for up to 1200 m² – Highly Effective Against Green Growth & Algae – Intensive Stone Cleaner for Outdoors, Facade Cleaner & Patio Cleaner

16% Off

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use biocidal products carefully - read the label and product information before use. Biocidal product reg no. N-115591. Biodegradable (1385) chlorine and acid free
The surface capacity per litre of concentrate varies depending on the type of soiling, surface and intensity of the application. The detergent should always be applied thoroughly in stubborn cases. For automatic cleaning, please take into account exposure time, dosage, weather and type of dirt. In stubborn cases, repeat application after 3 months
Self-acting effect – without scrubbing – simply apply and leave to work: the coating becomes visibly discoloured and is gradually removed by the influence of weather. Green growth and algae often after a few days, stubborn deposits may require longer.
Made in Germany. Developed with over 20 years of experience in building cleaning, manufactured and tested in Germany. Additional: 100 days satisfaction guarantee (before/after documentation required).
Highly effective cleaning power – reliably removes green growth, algae and verdigris on a wide range of outdoor surfaces. Works deep into joints and pores. Ideal as a stone cleaner outside, façade cleaner and patio cleaner outdoors
Extremely economical for up to 1200 m² – the high active ingredient concentration and ideally coordinated formula make the cleaner much more economical than conventional green growth removers – dilute up to 1:20 depending on dirt – maximum performance per litre
Easy to use and versatile – mix concentrate with water and apply conveniently: pressure sprayer (1:10) or watering can (1:20). Suitable for waterproof surfaces such as pavements, walls, roof tiles, gravestones, PVC, plastic, awnings, aluminium and solar systems

38,55 € 45,95 €(16% Off off)
10

Autolakgigant

Autolakgigant Spray Can for Toyota S26 Opal Quarts-Met 400 ml

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Toyota - Colour Code: S26 - Shade Name: OPAL QUARTS-MET.
PROFESSIONAL QUALITY - Made in the Netherlands
Important: This varnish must be covered with clear varnish. (Sbcchg )
Ideal solution for spot repairs of scratches, chips or scuffs - easy to apply for paint corrections.
High quality repair paint for Toyota, easy to use. Quick drying and excellent adhesion.
Extremely high colour accuracy - very good coverage due to high pigment content in the colour

29,99 €