Dimensions per AO25 – 25mm (W) x 25mm (L) x 40mm(H)
Rockwool, a lightweight hydroponic substrate is made from spinning molten basaltic rock into fine fibers which are then formed into a range of cubes, blocks, growing slabs and granular products.
Dimensions per AO25 – 25mm (W) x 25mm (L) x 40mm(H)
Rockwool, a lightweight hydroponic substrate is made from spinning molten basaltic rock into fine fibers which are then formed into a range of cubes, blocks, growing slabs and granular products.
You might also be interested in the Grodan MM 40/40
You can visit the Grodan website for more information.
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