INFORMATION ON RHP CERTIFICATION

RHP, the quality mark for substrates and raw materials Quality is themain ingredient of the products delivered by Tref and Jiffy.
All Tref substrates carry the RHP certificate as securing the customer a uniform quality product every single time.
The RHP quality mark for substrates is issued by the Stichting RHP (RHPFoundation), the leading centre of expertise on substrates andsoil-improving materials in Europe, and is granted to traders,producers and importers of peat products, raw materials, potting soilmixtures and substrates.
The RHP quality mark has been developed by the RHP Foundation toguarantee the products' quality throughout the entire production chain,from extraction from their source to processing by the buyer. 

Quality guarantee

The RHP quality mark constitutes the basis for watertight agreementswith substrate suppliers concerning the quality requirements with whicha substrate must comply.
An independent organization performs checks for compliance with theseagreements, so that growers can rest assured that the suppliedsubstrate will be of perfect quality.
Uniform product The stringent requirements with which substratesbearing the RHP quality mark must comply translates into every growerusing RHP-approved substrates will know that the products will notdeviate from the specifications in an inadmissible manner.
So no matter what season; Summer, Fall, Winter or Spring, you can bereassured that the quality of an RHP-approved substrate will be thesame. 
Crop Insurance Insurance companies often refer to the RHP-quality markwhen dealing with crop insurance as for them, RHP certification is asound guarantee often rewarded with attractive premiums for you. 
Limited risk factors As the RHP Foundation's quality assurance systemcovers the entire production chain, risk factors are excluded at a veryearly stage to leave absolutely nothing to chance. 


Integration with other quality marks

Other quality assurance systems also demand certified substrates, suchas QualiTree, a quality guarantee assurance system for buyers ofarboricultural products.
Participation in this quality system is subject to the RHP seal of approval.
Developments in the consumer market will probably result in future additional requirements in the field of substrates. 
The RHP quality assurance system will integrate these additional requirements into the assurance system of the future.