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Supplements & Additives

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  • Veg Enhancers (7) items
  • Carbs and Sugars (8) items
  • Microbial Supplements (4) items
  • Bloom Enhancers (11) items
  • Cal-Mag (6) items
  • Flushing Agents (7) items
  • Full Cycle Enhancers (14) 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
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  10. Cutting Edge Solutions (42) items
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  12. Dyna-Gro (5) items
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  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. Nutrifield (0) items
  27. Roots Organics (32) items
  28. SLF-100 (0) items
  29. Soul (7) items
  30. Super Natural (6) items
  31. TechnaFlora (20) items

60 Items

  • Microbe Life Photosynthesis Plus-O, 1 pt (OR Only)
    Microbe Life Photosynthesis Plus-O, 1 pt (OR Only)
    Special Price $15.30 Regular Price $16.95
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  • Microbe Life Plus-C 2.5 Gallon
    Microbe Life Plus-C 2.5 Gallon
    Special Price $158.05 Regular Price $189.46
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  • Microbe Life Plus-C Quart
    Microbe Life Plus-C Quart
    Special Price $24.98 Regular Price $28.21
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  • Microbe Life Photosynthesis Plus-O Gallon
    Microbe Life Photosynthesis Plus-O Gallon
    Special Price $83.16 Regular Price $84.11
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  • Microbe Life Photosynthesis Plus Quart
    Microbe Life Photosynthesis Plus Quart
    Special Price $28.21 Regular Price $31.99
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  • Microbe Life Photosynthesis Plus Gallon
    Microbe Life Photosynthesis Plus Gallon
    Special Price $82.85 Regular Price $84.11
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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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  • HEAVY 16 Foliar, 6 gal
    HEAVY 16 Foliar, 6 gal
    Special Price $428.80 Regular Price $734.99
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  • HEAVY 16 Foliar, 8 oz
    HEAVY 16 Foliar, 8 oz
    Special Price $12.10 Regular Price $17.99
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  • Heavy 16 Finish 10L
    Heavy 16 Finish 10L
    Special Price $114.11 Regular Price $169.99
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  • Microbe Life Plus-C Gallon
    Microbe Life Plus-C Gallon
    Special Price $68.75 Regular Price $84.11
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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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  • Roots Organics CalMag, 15 gal
    Roots Organics CalMag, 15 gal
    Special Price $589.82 Regular Price $1,087.79
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  • Image of HEAVY 16 Fire, 6 gal
    HEAVY 16 Fire, 6 gal
    Special Price $1,183.95 Regular Price $2,099.99
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  • HEAVY 16 Fire, 55 gal
    HEAVY 16 Fire, 55 gal
    Special Price $6,840.00 Regular Price $11,969.99
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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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  • Family Group Image of Heavy Finish
    Heavy Finish
    The price depends on the options chosen on the product page
    From $51.26
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  • Family Group Image of Heavy Fire
    Heavy Fire
    The price depends on the options chosen on the product page
    From $106.20
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  • Family Group Image of Heavy Foliar
    Heavy Foliar
    The price depends on the options chosen on the product page
    From $123.09
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  • Family Group Image of Heavy Prime
    Heavy Prime
    The price depends on the options chosen on the product page
    From $178.20
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  • Family Group Image of SLF-100
    SLF-100
    The price depends on the options chosen on the product page
    From $119.75
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  • Image of Nutrifield Crystallic 20L
    Nutrifield Crystallic 20L
    Special Price $359.75 Regular Price $544.87
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  • Image of Heavy 16 Prime 10L
    Heavy 16 Prime 10L
    Special Price $387.68 Regular Price $671.99
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  • Heavy 16 Foliar 10L
    Heavy 16 Foliar 10L
    Special Price $245.47 Regular Price $398.99
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  • Heavy 16 Prime 4L
    Heavy 16 Prime 4L
    Special Price $178.20 Regular Price $300.29
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  • Heavy 16 Fire 4L
    Heavy 16 Fire 4L
    Special Price $287.33 Regular Price $514.49
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  • Heavy 16 Finish 4L
    Heavy 16 Finish 4L
    Special Price $51.26 Regular Price $78.74
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  • Heavy 16 Fire 1L
    Heavy 16 Fire 1L
    Special Price $106.20 Regular Price $178.49
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  • Microbe Life Photosynthesis Plus 2.5 Gallon
    Microbe Life Photosynthesis Plus 2.5 Gallon
    Special Price $148.28 Regular Price $189.46
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  • Image of Roots Organics Extreme Serene, 5 gal
    Roots Organics Extreme Serene, 5 gal
    Special Price $394.28 Regular Price $587.99
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  • Roots Organics Oregonism XL, 6 lbs
    Roots Organics Oregonism XL, 6 lbs
    Special Price $221.50 Regular Price $333.99
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  • Image of Roots Organics HPK 0-4-3, 5 gal
    Roots Organics HPK 0-4-3, 5 gal
    Special Price $168.92 Regular Price $272.99
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  • Image of Roots Organics Oregonism XL 8 oz
    Roots Organics Oregonism XL 8 oz
    Special Price $22.50 Regular Price $29.99
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  • Image of Roots Organics Surge, 1 gal
    Roots Organics Surge, 1 gal
    Special Price $47.73 Regular Price $65.99
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  • Image of Roots Organics HP2 0-4-0 Liquid Guano, 1 qt.
    Roots Organics HP2 0-4-0 Liquid Guano, 1 qt.
    Special Price $15.30 Regular Price $17.99
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  • Roots Organics Rain, 1 gal
    Roots Organics Rain, 1 gal
    Special Price $100.58 Regular Price $175.34
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  • Roots Organics Rain, 1 qt.
    Roots Organics Rain, 1 qt.
    Special Price $30.83 Regular Price $41.99
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  • Roots Organics Rain, 2.5 gal
    Roots Organics Rain, 2.5 gal
    Special Price $210.15 Regular Price $416.84
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