HATOCH® ALGENSTOPP Algae & Green Coating Remover 500ml Concentrate | Chlorine & Biocide-Free | Made in Germany

📅 Available from August 15, 2026.

HATOCH ALGENSTOPP removes algae and green deposits from patio wood and plastic garden furniture – completely without chlorine or biocides. The concentrate cleans deeply instead of just poisoning the surface.

The 3 main advantages

• Deep cleaning instead of surface poisoning – without chlorine or biocides.
• Works equally well on wood and plastic – versatile for the entire patio.
• Concentrate can be used economically – cost-effective for large areas.

Patio and garden furniture cleaner concentrate against algae – without chlorine/biocides.

Important note on garden use

Please do not let the application solution run extensively into the soil, flowerbeds, or directly into rainwater drains – wastewater containing cleaning agents must not flow unimpeded into the soil, water bodies, or the sewage system (Water Resources Act). It is best to work in sections and apply on a surface with a drain to the sewage system or on a lawn (infiltrates, no direct discharge into water bodies); do not rinse near ponds or streams.

Frequently asked questions

Is HATOCH ALGENSTOPP suitable for wooden patios?
Yes, the formula works equally well on wood and plastic.

Does ALGENSTOPP contain chlorine or biocides?
No, the formula is free of chlorine and biocides.

May I rinse the application solution into a garden pond or stream?
No, please do not rinse near water bodies and do not discharge directly into rainwater drains (Water Resources Act).

Made in Germany – developed from over 25 years of Hanoverian cleaning expertise.