Gardening Soils Product Description : Grodan Rockwool Grow Cubes (Mm 40/40) 25 Cube Sheet - 1.5 x 1.5 x 1.5 Inches

Rockwool Grow Cubes by Grodan are MM 40/40 1.5 x 1.5 x 1.5 inches.

Individually wrapped small cubes for seeds and cuttings.

These are sold in sheets of 45 cubes.

For full case, order 50 sheets.

Plastic wrapped rockwool cubes guide roots downward.

You can set them on top of other rockwool cubes and slabs or use other growing media like Silica Stones for the roots to grow into.

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Gardening Soils Product Description : Grodan Rockwool Cubes (4 X 4 X 4 Inches) 6 Pack With Holes

Rockwool is an inorganic and sterile growing medium made from spun molten rock.

A superior medium for rooting cuttings, rockwool provides 20% air space when saturated, and does not contain nutrients.

It is recommended that rockwool be conditioned by soaking for eight hours in a pH 5.0-5.5 and then rinsing with pH 7.0 water.

Water daily.

Buy Gardening Soils, We strongly recommend you with Grodan Rockwool Cubes (4 X 4 X 4 Inches) 6 Pack With Holes.

Gardening Soils Product Description : Grodan A-Ok Rockwool 1.5" Starter Plugs - 12 Pack

Best Deal with Gardening Soils. This is the brief content description , Click the top of image above to go to amazon dot com . for more detail of Grodan A-Ok Rockwool 1.5" Starter Plugs - 12 Pack.