Grodan Stonewool & Rockwool Delta & Hugo Blocks, Starter Plugs, Slabs, & Plugs

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10121 4 in Grodan Delta 10 Gro-Block

For any growing application, stonewool offers speed, ease of use and cleanliness.

Delta 10, Large 4"x4"x4"

Grodan stonewool is known for its quality, consistency and performance.

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Price: $7.56

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10122 Grodan Hugo 6 in x 6 in x 5.8 in Rockwool Gro-Blocks

For any growing application, stonewool offers speed, ease of use and cleanliness.

Hugo 6" x 6" x 5.8"

Grodan stonewool is known for its quality, consistency and performance.

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Price: $3.53

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10123 Grodan A-Ok Rockwool Starter Plugs

For any growing application, stonewool offers speed, ease of use and cleanliness.

A-Ok Starter Plugs 1.5" (98/sheet)

A-Ok Starter Plugs 2" (50/sheet)

Grodan stonewool is known for its quality, consistency and performance.

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Price: $10.99 – $12.69

Starter Plugs Sizes

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10124 Grodan Expert Delta Rockwool Gro-Slabs 36in x 6in x 3in

Delta Expert Gro-Slab is perfect for "blocking on" smaller stonewool plugs and blocks to accommodate the final stages of plant growth.

This single Delta Slab features vertically packed fibers for quick drainage and comes in a UV-resistant plastic poly sleeve to minimize algae formation.

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Price: $7.73

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10125 Grodan 1.5" Round Rockwool Macro Plugs (32/Bag)

Stonewool Macro Plugs are a sure bet for optimum germination.

They start as basalt rock and chalk that is melted, spun into cotton candy-like fibers, and finally compressed into plugs.

Their fibrous structure creates an ideal air-to-water ratio which contributes to robust root development throughout the entire plug.

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Price: $6.45

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