Growool Premium Rockwool Floc - 110L Bag | Granulated Rockwool

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Growool is a water-absorbent Rockwool made in Australia and is used as a soilless 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. Soilless 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.

Loose wool can be mixed with clay pellets to make water and nutrient distribution more uniform. Alternatively, it can be used at the base of a pot, which acts as a filter to prevent growing media from entering the re-circulation system. For best results pH condition the Loose Wool

  •  Its rigid shape makes it very easy to handle.
  •  It is inorganic and inert ie contains no nutrient.
  •  It has no cation exchange capacity ie it won't bind nutrients.
  •  It has no pH buffer of water or liquid feed.
  •  It is a natural rock and is not biodegradable.
  •  It has a very high water and air holding capacity, typically 80% water plus 17% air. This is influenced by the height of the Growool and the drainage characteristics of the surface upon which it stands. The deeper the slab the better it drains and Growool should always be able to drain freely.
Growool Floc Premium 13.6kg white bag - Benchmark Bioponics / Benchmark Horticultural PTY LTD
Growool Premium Rockwool Floc - 110L Bag | Granulated Rockwool - Benchmark Hydroponics