Best Quart 400 2026

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Last Updated - 03.02.2026

Best Choice

01

AGO SAUBERKEIT FÜR HAUS UND GARTEN!

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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Main highlights

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.

92,95 €
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 SAUBERKEIT FÜR HAUS UND GARTEN!

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.

59,90 €
Value for Money

04

AGO SAUBERKEIT FÜR HAUS UND GARTEN!

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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9.2

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.

Show more
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.

59,90 €
05

AGO SAUBERKEIT FÜR HAUS UND GARTEN!

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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9.0

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.

Show more
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.

22,85 €
06

AGO SAUBERKEIT FÜR HAUS UND GARTEN!

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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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.

Show more
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.

22,85 €
07

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

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8.7

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.

10,90 €
08

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

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10% Off
8.6

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.

Show more
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.

9,81 € 10,90 €(10% Off off)
09

Terra Domi

TerraDomi Nevergreen Concentrate 1:60 for up to 3000 m² Roof Cleaner Green Remover Moss Remover Cleaning Agent Stone Cleaner

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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 productive due to mixing ratio of 1:10 - 1:50, depending on the degree of soiling of the surfaces to be treated.
The original from TerraDomi: Nevergreen is the universal disinfectant cleaner for a perfect home and garden – your paths, reed roofs, pebbles, tiles and stone slabs have never been so clean.
Long-lasting effect for a beautiful home: The stone cleaner keeps your paving stones, walkways, reed roofs and places permanently free from annoying greenery and moss for approximately 1 year and ensures effective cleaning.
Directions for use: The care product cleans surfaces made of stone easily and with little effort. Simply apply with watering can or pressure nozzle from approx. 30 cm and leave to work for 3 - 4 hours.
Box contents: 1 x Nevergreen original from Terra Domi.

36,95 €
10

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

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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 €