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Cultiwool Mini Rockwool Cubes – 1.5 Inch




Cultilene 1.5″ rockwool mini cubes provide a high-quality stonewool medium for propagation and seed starting. Each cube features a pre-punched hole for inserting seeds.

  • Single pack contains (45) individual cubes
  • Case contains (2,250) individual cubes
  • Cubes measure (ea.): 1.5″ x 1.5″ x 1.5″
  • Low density fiber with firm support

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HTG Supply is committed to providing you with the very best products, pricing and service in the industry. We will ship your order fast and discreetly packaged to protect your privacy. Buy with confidence knowing your HTG Supply purchase includes simple returns as well as lifetime product support. Call our team of real growing experts with your purchasing or product use questions, and we will be here to help!

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Cultiwool 1.5″ Mini Rockwool Cubes

Cultilene rockwool is an excellent substrate solution that will benefit your seedlings by helping to maintain proper oxygen, water content, PH, and temperature. Get your seeds  or clones off to the right start with these high-quality mini rockwool cubes.


  • Rapid rooting into plug
  • Supports Healthy Root Growth
  • Great for transplanting
  • Fibre structure with a lower density and no loss of firmness
  • Vertical fiber structure
  • Excellent air to water ratio
  • Fast absorption of water
  • High water retention
  • Guaranteed firmness