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Supplements & Additives

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  • Veg Enhancers (1) item
  • Carbs and Sugars (8) items
  • Microbial Supplements (5) items
  • Silicas (4) items
  • Amino Acids and Vitamins (4) items
  • Bloom Enhancers (20) items
  • Cal-Mag (11) items
  • Flushing Agents (7) items
  • Full Cycle Enhancers (9) items
  • Wetting Agents (3) items
  1. Advanced Nutrients (59) items
  2. Aptus (13) items
  3. Athena (13) items
  4. Big Time Hydroponics (5) items
  5. BioAg (10) items
  6. BioBizz (14) items
  7. Botanicare (30) items
  8. Canna (14) items
  9. Cultured Solutions (12) items
  10. Cutting Edge Solutions (42) items
  11. Down To Earth (5) items
  12. Dyna-Gro (5) items
  13. Emerald Harvest (10) items
  14. FoxFarm (31) items
  15. General Hydroponics (25) items
  16. GreenGro (11) items
  17. Grotek (6) items
  18. Grow More (13) items
  19. Heavy 16 (15) items
  20. House & Garden (44) items
  21. Mad Farmer (26) items
  22. Microbe Life (8) items
  23. Mills Nutrients (6) items
  24. Nectar For The Gods (40) items
  25. New Millenium (5) items
  26. Optic Foliar (0) items
  27. Plant Success (0) items
  28. Roots Organics (32) items
  29. SLF-100 (0) items
  30. Soul (7) items
  31. Super Natural (6) items
  32. TechnaFlora (20) items

72 Items

  • Mad Farmer Growth Nutrient, 25 lb
    Mad Farmer Growth Nutrient, 25 lb
    Special Price $289.17 Regular Price $472.45
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  • Mad Farmer Silica, 1 gal
    Mad Farmer Silica, 1 gal
    Special Price $27.90 Regular Price $41.99
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  • Mad Farmer Silica, 6 gal
    Mad Farmer Silica, 6 gal
    Special Price $135.90 Regular Price $236.24
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  • Mad Farmer Silica, 1 qt
    Mad Farmer Silica, 1 qt
    Special Price $11.80 Regular Price $14.69
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  • Mad Farmer Silica 30 Gallon (1/Case)
    Mad Farmer Silica 30 Gallon (1/Case)
    Special Price $642.59 Regular Price $770.00
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  • Roots Organics Bio Force, 4 oz
    Roots Organics Bio Force, 4 oz
    Special Price $15.00 Regular Price $15.99
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  • Roots Organics Bio Force, 6 lbs
    Roots Organics Bio Force, 6 lbs
    Special Price $200.58 Regular Price $280.99
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  • Optic Foliar SWITCH, 10 L
    Optic Foliar SWITCH, 10 L
    Special Price $131.12 Regular Price $216.99
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  • Optic Foliar OVERGROW, 4 L RTU
    Optic Foliar OVERGROW, 4 L RTU
    Special Price $51.98 Regular Price $79.99
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  • Mad Farmer Detox, 6 gal
    Mad Farmer Detox, 6 gal
    Special Price $205.63 Regular Price $335.99
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  • Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 qt
    Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 qt
    Special Price $15.60 Regular Price $19.95
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  • Roots Organics Surge, 2.5 gal
    Roots Organics Surge, 2.5 gal
    Special Price $111.83 Regular Price $184.79
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  • Roots Organics Surge, 5 gal
    Roots Organics Surge, 5 gal
    Special Price $170.55 Regular Price $253.99
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  • Supernatural Superlicious 500 gm
    Supernatural Superlicious 500 gm
    Special Price $68.18 Regular Price $81.11
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  • Mad Farmer Cal+Mag, 6 gal
    Mad Farmer Cal+Mag, 6 gal
    Special Price $147.38 Regular Price $262.50
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  • Mad Farmer Cal+Mag, 55 gal
    Mad Farmer Cal+Mag, 55 gal
    Special Price $1,113.53 Regular Price $2,173.45
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  • Mad Farmer Cal+Mag, 2.5 gal
    Mad Farmer Cal+Mag, 2.5 gal
    Special Price $79.02 Regular Price $117.08
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  • Mad Farmer Cal+Mag, 1 qt
    Mad Farmer Cal+Mag, 1 qt
    Special Price $17.70 Regular Price $21.62
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  • Mad Farmer Cal+Mag, 1 gal
    Mad Farmer Cal+Mag, 1 gal
    Special Price $29.70 Regular Price $53.71
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  • Roots Organics CalMag, 15 gal
    Roots Organics CalMag, 15 gal
    Special Price $589.82 Regular Price $1,087.79
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  • Mad Farmer Bloom Nutrient, 25 lb
    Mad Farmer Bloom Nutrient, 25 lb
    Special Price $289.16 Regular Price $472.45
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  • Mad Farmer Bloom Nutrient, 1 kg
    Mad Farmer Bloom Nutrient, 1 kg
    Special Price $35.35 Regular Price $52.45
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  • Mad Farmer Bloom Nutrient, 10 lb
    Mad Farmer Bloom Nutrient, 10 lb
    Special Price $120.81 Regular Price $197.35
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  • Roots Organics Terp Tea Bloom Booster, 40 lb
    Roots Organics Terp Tea Bloom Booster, 40 lb
    Special Price $244.29 Regular Price $354.99
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  • Supernatural Bud Blaster 500 gm
    Supernatural Bud Blaster 500 gm
    Special Price $88.43 Regular Price $120.71
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  • Supernatural Super Boost 10 kg
    Supernatural Super Boost 10 kg
    Special Price $385.33 Regular Price $602.71
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  • Supernatural Bloom Terra 10 kg
    Supernatural Bloom Terra 10 kg
    Special Price $363.60 Regular Price $599.58
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  • Supernatural Bud Blaster 1 kg
    Supernatural Bud Blaster 1 kg
    Special Price $154.80 Regular Price $208.44
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  • Mad Farmer Be One, 1 qt
    Mad Farmer Be One, 1 qt
    Special Price $21.20 Regular Price $31.49
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  • Family Group Image of Mad Farmer Mother Of All Bloom
    Mad Farmer Mother Of All Bloom
    The price depends on the options chosen on the product page
    From $28.58
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  • Family Group Image of Optic Foliar Switch
    Optic Foliar Switch
    The price depends on the options chosen on the product page
    From $63.95
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  • Family Group Image of Great White Mycorrhizae
    Great White Mycorrhizae
    The price depends on the options chosen on the product page
    From $26.25
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  • Family Group Image of SLF-100
    SLF-100
    The price depends on the options chosen on the product page
    From $107.08
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  • Image of Supernatural Bud Blaster 10 kg
    Supernatural Bud Blaster 10 kg
    Special Price $900.10 Regular Price $1,586.81
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  • Mad Farmer Be One 1 Gallon
    Mad Farmer Be One 1 Gallon
    Special Price $60.08 Regular Price $99.99
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  • Mad Farmer Detox Quart (12/Case)
    Mad Farmer Detox Quart (12/Case)
    Special Price $15.60 Regular Price $17.99
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  • Mad Farmer Be One 2.5 Gallon
    Mad Farmer Be One 2.5 Gallon
    Special Price $118.76 Regular Price $199.99
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  • Mad Farmer Be One 6 Gallon (1/Case)
    Mad Farmer Be One 6 Gallon (1/Case)
    Special Price $224.10 Regular Price $419.99
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  • Mad Farmer Mother Of All Bloom 500g
    Mad Farmer Mother Of All Bloom 500g
    Special Price $28.58 Regular Price $53.54
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  • Mad Farmer Mother Of All Bloom 1 kg
    Mad Farmer Mother Of All Bloom 1 kg
    Special Price $45.84 Regular Price $86.69
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