RedRock Block Announces Global Stonewool Grow Media Supply Operations North American manufacturer of premium stonewool grow starter blocks, stonewool blocks, stonewool solo slabs, and stonewool flowering slabs, RedRock Block, announces global expansion into markets worldwide. Commercial growers, cultivators, propagators, indoor farmers, greenhouse owners, CEA and hydroponic facility operators across the globe will now be able to acquire large quantities of...

New Stonewool Flowering Slabs Hit Global Market RedRock Block, a North American manufacturer of locally sourced stonewool grow blocks and slabs, introduces new premium line of commercial grade stonewool flowering slabs for large-scale greenhouse operators, hydroponic growers, indoor farms, and CEA facilities. Commercial growers worldwide can now acquire some of the cleanest and purest stonewool grow blocks, cubes, plugs, solo...

Stone-wool and Hemp: A Combo for High Yields and Excellent Growing Seasons Ever since Denmark in the late 1960’s conducted testing on a construction insulation known as stone wool, the hydroponic industry has never been the same! This material made from the extreme melting of basalt rock into thin, yet strong fibers is a great medium for hemp. No matter...