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The Grodan rockwool growing slab represents the finest in Dutch growing technology, and it is the slab most widely used throughout the world by commercial and hobby growers! Three sizes are commonly used. The 3" x 6" x 36" slab is used for tomato, cucumber, and pepper production, with its most popular use being with tomatoes. The 3" x 8" x 36" slab is used primarily for cucumber production as cucumbers require more volume of rockwool for the root system. The 4" x 6" x 36" slab is used for roses and cut flower production. These slabs are wrapped in a coextruded white/black plastic film designed to keep light away from the slab and with UV inhibitors to allow use of up to two years. Available in individual slabs or in cases of 12. |
| Quantity | UOM | Price |
| 1- 24 | Case of 12 | $62.00 |
| 25+ | Case of 12 | $57.00 |
| 1+ | Each | $7.75 |
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