Home Our Company Next Generation Substrates 6 Phase model Products for vegetables Products for floriculture Products for propagation Services Consultancy FAQ's about substrates References Contact us Frequently Asked Questions about substrates What is a substrate? What is an ideal substrate? Can greenhouse soil comply with these requirements for an ideal substrate? Is a substrate such as stone wool able to comply with these requirements? Does stone wool remain free of disease throughout the cultivation? Is a restricted stone wool volume too small for my crop? What is stone wool? How is stone wool manufactured? I often hear people talking about ‘capillarity.’ What does that mean? What is the advantage of the ‘steerability’ of the substrate? Why is it important to have a water buffer in the cultivation system? Why is the full rooting in of the slab important? Are capillary slabs too wet for winter crop? How can I measure the water content?