Grodan Delta Big Mama Rockwool 10 Block Plant Container 4" x 4" x 4" Case Of 144 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums. Grodan Blocks -Grodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or "blocking on" of Macro and Multiblock raised plants. AO 36/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab.

• Shipping
Shipping Tollaapro, offers FREE shipping on all our listings and will process your order within a maximum of 4 business day of order receipt but likely will go out much sooner.

- We ship to the Lower 48 United States, excluding HI and AK.
- FREE FedEx SmartPost (2-8 Business Days)

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DISCLAIMER: Some items are falling under calculated shipping and will not fall under our free shipping program. International orders will fall under 's Global Shipping Program.

• Returns
Returns We offer a hassle free 30 day return policy. To initiate a return, find the item in 'My ' under 'Purchase History' and select 'Return this Item' from the 'More Actions' drop-down menu and just follow the prompts. Since we do not charge any restocking fee, items must be returned in the exact condition in which they were received with all the packaging to qualify for a full refund.

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About Us Tollaa offers quality items at lower prices. Every item is carefully packaged using the latest technology to ensure safe shipment to you. We pride ourselves on the highest quality customer service. All orders are processed and more often than not shipped the same day. We hope you Enjoy your visit! You may also be interested in... View more great items Frooition Frooition | design, store design, shop design, template design, listing design

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