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FAQ

Below are our answers to frequently asked questions.
If you have any further questions feel free to contact us:
 
MCS@havens.nl
Office: +31 478 638 238 
Bart de Leeuw: +31 6 4637 1621
Guido Stevens: +31 6 1592 5415
  1. How does MCSubstradd® work?
  2. ​What are the ingredients of MCSubstradd®?
  3. Does MCSubstradd® provide organic supplements?
  4. Does MCSubstradd® contain GMO?
  5. ​Which MCSubstradd®-product do I need?
  6. ​For which mushrooms can MCSubstradd® be used?
  7. What is meant by “over-heating”
  8. Can MCSubstradd® be used for any type of compost?
  9. How do I order and is there a minimum-quantity?
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HAVENS Graanhandel NV
P.O.Box 1
5820 AA Vierlingsbeek
The Netherlands
Visiting address (office)
Kalverstraat 2a
5823 AK Maashees
The Netherlands
+31(0)478-638238