DESCRIPTION
GRODAN ROCKWOOL SLABS 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 Grodan slabs. 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 classic 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.
Video:
Documents:
| 713001 - Grodan Expert Slab 6" x 4" x 36" |
 MSDS | (PDF Document) |
| 713005 - Grodan Expert Slab 15/75 6 in x 3 in x 36 in |
| MSDS | (PDF Document) |
| 713010 - Grodan Expert Slab 20/75 8 in x 3 in x 36 in |
| MSDS | (PDF Document) |
| 713015 - Grodan Classic Slab 30/75 12 in x 3 in x 36 in |
| MSDS | (PDF Document) |
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Grodan Slabs Comes In The Following Size Slabs
- 713001-Expert fat slab-6"x4"x36" with 9 slabs to a case (sorry sold in case size only)
- 713005-Expert slab--6"x 3"x36" with 12 slabs to a case (sorry sold in case size only)
- 713010-Expert slab-8"x3"x36" with 12 slabs to a case (sorry sold in case size only)
- 713015-Classic slab-12"x3"x36" with 8 slabs to a case (sorry sold in case size only)
