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GRODAN Delta Mini Block Strip ROCKWOOL STONEWOOL HYDROPONIC Grow Media Cube Plug + Twin Canaries Chart - 15 Pieces 1.5" x 1.5" x 1.5 Inch

  • Based on 21 reviews
Condition: New
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Availability: In Stock.
Fulfilled by HIDGrow

Arrives Nov 28 – Dec 5
Order within 6 hours and 35 minutes
Available payment plans shown during checkout

Size: 1.5" x 1.5" x 1.5 Inch - 15 PIECES


Is Discontinued By Manufacturer: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Nov 28 – Dec 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Caution.
Paper on side of the blocks holding them together grew mold during germination. Caught it in time before it killed my plants. They should put a warning about the paper, make sure you remove all of it. Get it damp first it helps.
Reviewed in the United States on December 22, 2019 by Elizabeth

  • Junk!
Junk rock wool has a reaction to Ph adjustments and will kill your seedlings!
Reviewed in the United States on July 18, 2018 by Ken

  • Great value
Great product
Reviewed in the United States on January 13, 2021 by Tyshawn

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