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Rockwool Hydroponics

Rockwool Hydroponics

Rockwool Blocks, Slabs, Starter Cubes, Loose Fill & more...

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  1. 4" Rockwool Block Cover
    $13.03
    4" Rockwool Block Covers - 40 pack HGCOV4 Learn More
  2. 6" Rockwool Block Cover
    $23.93
    6" Rockwool Block Cover - 40 pack HGCOV6 Learn More
  3. 6.5'' Rockwool Block Covers, pack of 40
    $14.12
    6.5'' Rockwool Block Covers, pack of 40, Sku BLC002 Learn More
  4. 8" Rockwool Block Cover

    Regular Price: $28.29

    Sale Price $23.36

    8" Rockwool Block Cover, 40 Pack Learn More
  5. Big Mama 8x8x8
    $8.59
    8"x8"x8" Grodan Big Mama Grow Block, RW108001 Learn More
  6. Block 3x3x2.5 42/40
    $6.04
    3"x3"x2.5" Grodan Delta 4 Grow Block, w/hole, RWDM4G Learn More
  7. Block 3x3x2.5 no hole
    $6.04
    3"x3"x2.5" Grodan Delta 4 Grow Block, no hole, RWDU4G Learn More
  8. Block, 4X4X4 42/40 144cs
    $10.03
    4"x4"x4" Grodan Delta 10 Grow Block, w/hole RWDM10G Learn More
  9. Classic Slab 36x12x3
    $16.55
    12"x3" Grodan Classic 30/75 Grow Slab (wet), RW3075 Learn More
  10. Cube 1X1X1.5  no shrink film
    $14.98
    Cube 1X1X1.5 no shrink film, Sku RWAO2540 Learn More
  11. Cube Cap 3"
    $1.56
    3" Cube Cap CCCUBE3 Learn More
  12. Cube Cap 4"
    $1.19
    4" Cube Cap CCCUBE4 Learn More
  13. Cube Cap 6"
    $3.00
    6" Cube Cap CCCUBE6 Learn More
  14. Expert 15/75 Slab 40x6x3
    $9.32
    Expert 15/75 Slab 40x6x3, Sku RW157240 Learn More
  15. Expert Slab 36x6x4
    $11.27
    6"x4" Grodan Expert 15/100 Grow Slab, RW15100 Learn More
  16. Expert Slab 36X8X3
    $10.98
    36"x8"x3" Grodan Expert Grow Slab, 20/75 RW2075 Learn More
  17. Expert Slab, 36X6X3
    $8.45
    36"x6"x3" Grodan Expert Grow Slab 15/75 RW157512 Learn More
  18. Gro-Wool Medium Water Absorbent Granulate, 3.5 cu ft

    Regular Price: $83.60

    Sale Price $72.86

    Medium Water Absorbent Granulate, 13.4 Cubic Feet RWXA20 Learn More
  19. Block 1.5x1.5x1.5
    $9.37
    1.5"x1.5"x1.5"Grodan Grow Cubes (45 ind. wrapped) RWMM4040 Learn More
  20. Cube 1.5x1.5x1.5
    $13.60
    1.5"x1.5" Grodan A'OK Grow Cubes, Sheet of 98 cubes RWAO3640 Learn More
  21. Grodan Mini Cubes

    Regular Price: $110.85

    Sale Price $96.61

    Grodan Mini Cubes - 21.9 Lbs. loose fill RW91002 Learn More
  22. Grow Chunks
    $45.44
    Grodan GrowChunks 2 Cubic Feet Bag RW108003 Learn More
  23. Grow Cubes Big 2 cu ft
    $45.44
    Grodan Mini Cubes, 2 Cubic Feet bag, RW91003 Learn More
  24. Grow Cubes Medium 1 cu. ft
    $28.20
    Grodan Mini Cubes, 1 Cubic Foot bag, RW91001 Learn More
  25. Hugo Blk 6x6x5.8 w/hole 40/40
    $3.70
    6"x6"x6" Grodan Hugo Grow Block, w/ hole RWHUGO Learn More

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