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• Expert Slab, 36X6X3

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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 Slabs -The final stage of planting with growing blocks are the Grodanslabs. These slabs come in clearly marked UV resistant poly sleeves for ease of use. Recommended for larger, long term crops with extensive roots like peppers, tomatoes, or cucumbers. Typically, seedlings in blocks are placed onto slabs. Grodan Expert is the slab that drains the fastest because of its vertical fibers. By far the most popular slab for the hydroponic hobbyist market. Grodan Master is a special wet/dry slab. The top layer is thicker, which stays wetter, while the bottom layer stays drier. In effect it defies gravity, allowing more even distribution of moisture throughout the slab.

Cheap Rockwool Cubes 6x6 - Compare Prices, Reviews and Buy at Nextag Grodan Expert 15/75 Slab, 36x6x3, case of 12. Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, ... Medium Water Absorbent Granulate, 13.4 Cubic Feet Expert 15/75 Slab, 36x6x3, case of 12 : RW2075 Expert 20/75 Slab, 8"x3", case of 12 : RW3075 Classic 30/75 Slab (wet), 12" x 3", case of 8 : RW91001 ... www.hydrofarm.com SQLState: IMSSP Error Code: -14 Message: An invalid parameter was passed to sqlsrv_query. pH 7.0 Calibration Solution 1 Quart. by: General Hydroponics - pH 7.0 Calibration Solution 1 Quart. (GH1552) by General Hydroponics - General Hydroponics uses the highest quality electronic meter reference solutions. Growers can ... Grodan Rockwool Grow - Plantlighting Hydroponics & Grow Lights Grodan Expert 20/75 Grow Slab 36x8x3 Case 12 ... Grodan Expert 15/100 Grow Slab 36x6x4 Case 12 $101.95 : more Grodan Expert 15/75 Grow Slab 36x6x3 Case 12 Rockwool - Purely Hydroponic Indoor Gardening Supplies & Growing ... Expert 15/75 Slab, 36x6x3, case of 12. Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, ... Growing Media - hydroponicsgc.com Expert 15/75 Slab, 36x6x3. $8.85. Grodan 36 X 6 X 3 case of 12. $86.95. Classic 30/75 Slab 12" x 3", case of 8 . $110.95. Grodan Mini Cubes, 2 Cubic Feet bag. $39.95. Grodan Rockwool Grow Slabs - Plantlighting Hydroponics & Grow Lights Grodan Expert 15/75 Grow Slab 36x6x3 Case 12 : $58.80 Grodan Expert 20/75 Grow Slab 36x8x3 : $9.17 Grodan Expert 20/75 Grow Slab 36x8x3 Case 12 : $100.05 ... Grodan/Pargro/Agro Dynamics : : HydroSpot LLC - Your Leading ... Expert 15/75 Slab, 36x6x3, case of 12. Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, ... 805 Hydroponics & Organics :: Growing Media :: Rockwool Grodan Expert is the slab that drains the fastest because of its vertical fibers. ... Expert 15/75 Slab, 36x6x3, case of 12. Grodan Stonewool (rockwool) ...