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  3. RHP quality mark

RHP quality mark

Stichting Regeling HandelsPotgronden (RHP) is the European knowledge centre for potting soils, substrates and other cultivation media. With its own RHP quality mark, RHP stands for safe, clean and high-quality products. As an independent body, Kiwa VERIN certifies companies and products for the RHP quality mark and thus contributes to the safeguarding of clean and safe substrates in professional cultivation.

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Certification process

If you want to participate in RHP, you first have to apply at the RHP Foundation. As soon as a number of general obligations have been completed at the RHP Foundation, you can contact us and we can schedule the check for certification.

More information

Do you want to know more about the RHP quality mark? Then contact us without obligation by filling in the application form or via +31 (0)88 998 43 10.

Kiwa: We create trust

We are Kiwa, a world top 20 leader in Testing, Inspection and Certification (TIC). With our certification, inspection, testing, training and consultancy services, we create trust in our customers' products, services, processes, (management) systems and employees.

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