Rockwool Grodan 49 Cubes TrayGrodan plugs and blocks are known for their homogeneity and reliability.Grodan plugs will provide uniform germination and a high success rate. The shape and firmness of the plugs are of a quality that makes processing significantly easier, whether that processing is mechanical or manual.Every plug has a uniform density, firmness and fibrous structure.This means that the distribution of water, nutrients and pH value is also uniform, which has a beneficial effect on germination results and initial crop development.Thanks to their revolutionary hydrophilic fibres Grodan substrate slabs and blocks produced using this technology offer users considerable advantages over other propagation substrates. Tried and proven to be the best substrate available.
