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Grodan 1½" Block-strips - 3 strips of 15 blocks Each of these 1½" blocks is individually wrapped and easy to handle. 3 strips of 15 blocks/strip equals a total of 45 blocks. These fit easily into larger Grodan® Rockwool Blocks. Great for propagation, they stack neatly together in nursery trays and hold young plants upright and steady. Made in Denmark in 1969, rockwool is widely recognized as the ideal growing substrate. No one can surpass the quality, consistency, or performance levels maintained by this rockwool. For any growing application, rockwool offers speed, ease of use and cleanliness. Product ID: GM-RWCB-15 Category: Miscellaneous Equipment-Cloning & Seed Starting Price:  $9.50 Sale Price: $8.74 Savings: $0.76 Quantity

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