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Sten Shoonmaken EXPERTS

Algae moss active remover AME 12


The algae and moss removal concentrate for many surfaces

Item no.: 8210101

Effortlessly removes algae, moss and other green growth.

Removes green growth sustainably from the first application.

Suitable for terraces, walls, roofs, facades and more.

Product description

Special cleaning concentrate based on active chlorine for removing moss, algae and lichen from stone surfaces and facades. Best proven for cleaning terraces, stairs, paths, walls, gravestones and roofs. To obtain the best cleaning result, we recommend application at outdoor temperatures above 15°C. At lower temperatures, the onset of action is delayed.

Available sizes

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Areas of application

Cleaning smooth, porous surfaces such as natural stone, clinker, clay tiles, concrete blocks

Cleaning of homogeneous closed surfaces such as porcelain, glass, ceramics, glazed clay tiles

Cleaning of terraces, stairs, walls, tombstones, roofs and facades



Depending on the degree of soiling, dilute 1:5 to 1:35 with water and mix well.


It is best to apply the cleaner to the soiled area with a spray bottle or sprayer.


Wash off with clear water after 5 to 10 minutes.


In the case of stubborn dirt, the additional use of a brush or machine cleaning is recommended.

Frequently asked questions

Can this product be used on marble?

Sten Shoonmaken Algae moss active remover can be used on marble. Be careful with polished surfaces. Always do a small sample cleaning in places that are not easily visible. 

Can pets enter the area shortly after treatment?

Pets should be kept away from the treated area while cleaning with Sten Shoonmaken Algae moss active remover. Once the cleaning is complete and the area is dry, there is no danger to your pets.

How much area can be cleaned with it?

With a mixing ratio of 1:5 approx. 50-80 m². When used pure, 1 liter is sufficient for approx. 10-20 m², depending on the severity of the algae or moss infestation.

Is the product harmful to plants?

Sten Shoonmaken Algae moss active remover should not be sprayed directly onto adjacent plant or lawn areas. In the edge area of the area to be cleaned, the adjacent lawn can turn brown. This grows out again after some time.

Notes & data sheets

Safety instructions

May be corrosive to metals. Causes serious irritation of the skin and serious eye damage. Very toxic to aquatic organisms. Contact with acids liberates toxic gases. Do not breathe gas/mist/vapour/aerosol. Wear protective gloves/protective clothing/eye/face protection. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if possible. Continue rinsing. IF SWALLOWED: Rinse mouth. DO NOT induce vomiting.
Keep out of the reach of children 

Read label and product information before use.

All from a single source.

We have many years of experience in the cleaning trade and will find a solution for every type of dirt.

Do you have any questions about our products?

We would be happy to advise you on the correct use of our cleaning agents.

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