Growool is water absorbent rockwool made in Australia and is used as a soiless growing medium. Growool consists of a mat of long, fine fibres, spun from natural molten rock. This mat is cut and shaped by Growool Horticultural Systems into the individual Growool products. When using the Growool system there is potential for greater control over plant growth and yield. These potential advantages are only realised with very good management and attention to detail. Soiless systems do not guarantee success. They require better management than soil based systems. Your system must be set up carefully and then monitored closely and accurately. Plants and nutrient solutions must be checked carefully and regularly.
Properties of Growool Growool has a unique combination of properties which make it an excellent growing medium. These properties need to be considered if the material is to be used to its maximum effectiveness: