Grodan MM40/40 No Hole 40mm Block

Option: Single
Sale price$0.40


Grodan Rockwool is a mineral wool made from molten basalt and limestone rock that is spun into cotton-candy like fibres and then compressed into cubes, blocks or slabs. Being made from natural rock, Grodan is a mineral based product used in hydroponic growing applications.
40mm Block
MM 40/40 propagation grow cubes are individually wrapped small cubes ideal for seeds and cuttings.  The cubes guide the root growth downwards. There are 15 cubes per strip which can be easily separated.
You can also situate the MM 40/40 cube on top of other Grodan cubes, slabs or other growing media.
MM 40/40 cubes measure 1.5 x 1.5 x 1.5 inches (3.8 x 3.8 x 3.8cm)

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