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As leaders in the hydroponics supply industry, we understand the benefits and importance of growing in rockwool. There’s no question that rockwool cubes and rockwool slabs have been an integral mainstay in the hydroponic growth process. At HydroWholesale, we are proud to supply our customers with the very best products for use in rockwool growing. Whether you are in need of Grodan rockwool or Oasis Rootcubes, we have you covered. Please browse our inventory of rockwool growing items below.