Cloning Media - Stonewool Grow Cubes

Stonewool, also known as rockwool, is a popular cloning media for hydroponic systems. Rockwool has the advantage of holding moisture and oxygen very well while also draining any excess moisture. It does not inhibit root grown and it is naturally sterile. The Grodan range of rockwool cubes comes in the following sizes; 40mm, 75mm, 100m, 150mm. Larger rockwool trays and slabs are also available.

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