Grodan 3″ Rockwool Cubes (Small Hole 1/2″)

£3.50£96.95

3″ Rockwool Cubes Small Hole – 1/2″

Rockwool is an excellent hydroponics medium and has an ability to retain 10 times as much water and hold more than 15 percent air at all times also make it more favourable in any hydroponic system. Rockwool Grow Blocks are full-sized growing mediums for transplanting slightly bigger seedlings, with a couple of pairs of small leaves and good roots emerging from starter cubes. The 3” size are great to move plants on to your grow system or Rockwool slabs. For bigger plants, go for the 4” cube.

We recommended that you soak the cubes in pH adjusted nutrient solution before use.

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Box of 10, Box of 384

SKU: 10891 Categories: ,
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