Grodan AO36/40 Rockwool Hydroponic Cubes Sheet (98 cubes)

Sheet of 36mm  AO36/40 Grodan rockwool plugs (98 cubes per sheet). 

Rock wool or mineral wool, is made from basalt, which is solidified lava spewed from the innermost depths of the earth. In its manufactured state, stone wool can have multiple purposes, such as a growing medium. Stone wool growing media used for cultivation of plants in Controlled Environment Agriculture (CEA) is pH-neutral and has air pockets that make it suitable for hydroponics, as plants need oxygen and moisture in their root zone. This type of soilless growing media is ideally suited to indoor cultivation, from vegetables and floriculture to medicinal crops.

Every plug has a uniform density, firmness and fibrous structure. This means that distribution of water, nutrients and pH-value is also uniform, which has a beneficial effect on germination results and initial crop development.

Specifications:

• 98 (7 x 14) plugs per sheet
  
• 6 mm wide x 15 mm deep hole
• Size 36 x 36 x 40 mm

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