Grodan 4inch cubes

£0.50

Rockwool is a mixture of melted rock and sand that has been spun into thread and compressed into different shapes.  It is popular in hydroponics because it creates an oxygen rich environment for roots to thrive in. An essential in most hydro systems.

Grodan 4inch small hole:

- 4" small hole cubes are suitable for any small propagation cube. 

- Approximate cube size: 100 x 100 x 65mm

- Approximate hole size:  25 x 25 x 40mm

Grodan 4inch large hole:

- 4" large hole cubes are suitable for any large propagation cube. 

- Approximate cube size: 100 x 100 x 65mm

- Approximate hole size: 35 x 35 x 40mm



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