Interior Gardens :: Growing Media :: Stonewool / Rockwool

Stonewool / Rockwool

Grodan Stonewool - Constant controlled quality - Clean: contains no contaminants - Optimum control range - High yield at high quality - Saves on water and nutrients - Lower energy consumption - Easy to use - 100% recyclable -Sustainable and environmentally-friendly

Products

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A'Ok Starter Plugs - 1.5 in. sq. Sheet of 98 starter cubes - Grodan Stonewool

SKU: SC300

Made in Denmark since 1969, horticultural stonewool is widely recognized as an ideal growing substrate. Each Grodan A'Ok Starter Plug has a pre-formed hole to insure easy seed or cutting placement. Gardeners simply wait for plant roots to penetrate...

Price: $11.75

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BIG MAMA 8 in. X 8 in. X 8 in. - Grodan

SKU: SB380

The largest block ever produced by Grodan, the Big Mama™ measures 8 in. x 8 in. x 8 in. and contains well over twice as much wool as the popular Hugo block. This block is big enough to grow a large plant for its entire life. Whe...

Price: $7.75

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Block Covers 4.5 in. Covers (40ea) Sunleaves

SKU: SBC320

Dual-purpose Sunleaves Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side, white on the other, these block covers will work with any media, although they are designed for four-inch ston...

Price: $5.95

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BLOCK CVRS 4 in. Qty. 40

SKU: 714820

Price: $7.50

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BLOCK CVRS 6 in. Qty. 40

SKU: 714822

For Rock Wool and Other Grow Media

Blocks light from media reducing algae and pest problems

Use white side up to reflect light

Use toothpick to hold cover in place

Price: $13.95

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Cocodan Coco Caps 4 in. 10 EA

SKU: 713190

The organic alternative to plastic covers for rockwool blocks. Use Coco Caps to help prevent light penetration that may cause algae growth.

Price: $3.95

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Delta Slab 36 in. x 6 in. x 3 in. (Rockwool / Stonewool) Grodan

SKU: SS355

Stonewool is recognized the world over as a dependable hydroponics growing medium and Grodan stonewool in particular is known for its quality, consistency and performance.

Price: $7.40

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Delta Slab 36 in. x 8 in. x 3 in. (Rockwool / Stonewool) Grodan

SKU: SS360

Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. This 36 in. x 8 in. x 3 in. Delta Slab is perfect for "blocking on" smaller stonewool plugs and blocks to accommodate the final...

Price: $9.25

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Delta Slab 6 in. X 4 in. X 36 in. SLAB (Rockwool / Stonewool) Grodan

SKU: SS357

Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. This 36 in. x 6 in. x 4 in. Delta Slab is perfect for "blocking on" smaller stonewool cubes and blocks to accommodate the ...

Price: $9.95

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Gro-Blocks - 2 in. x 2 in. x 2 in. 24 wrapped mini blocks - MM50/40 Grodan

SKU: SB312

Stonewool is a state-of-the-art growing substrate preferred by hundreds of hydroponics gardeners. Seeds or cuttings are started in these Grodan Mini-Blocks and, once rooted, the blocks are transferred to a larger piece of stonewool. Mini-Blocks can ...

Price: $5.95