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Supplements & Additives

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  1. Advanced Nutrients (2) items
  2. Big Time Hydroponics (0) items
  3. Dyna Gro (1) item
  4. Dyna-Gro (3) items
  5. FoxFarm (6) items
  6. House & Garden (15) items
  7. Humboldt Nutrients (2) items
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  9. Microbe Life (7) items
  10. Microbe Life Hydroponics (1) item
  11. Nectar For The Gods (2) items
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22 Items

  • House & Garden Algen Extract, 20 L
    House & Garden Algen Extract, 20 L
    Special Price $1,109.25 Regular Price $1,522.50
    Save with Commercial Account: $00.00
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  • House & Garden Magnesium Boost, 5 L
    House & Garden Magnesium Boost, 5 L
    Special Price $143.89 Regular Price $179.55
    Save with Commercial Account: $00.00
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  • House & Garden Magnesium Boost, 1 L
    House & Garden Magnesium Boost, 1 L
    Special Price $30.91 Regular Price $38.56
    Save with Commercial Account: $00.00
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  • Microbe Life Photosynthesis Plus-O, 1 pt (OR Only)
    Microbe Life Photosynthesis Plus-O, 1 pt (OR Only)
    Special Price $15.19 Regular Price $16.95
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  • Microbe Life Plus-C 2.5 Gallon
    Microbe Life Plus-C 2.5 Gallon
    Special Price $178.39 Regular Price $189.46
    Save with Commercial Account: $00.00
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  • Microbe Life Plus-C Quart
    Microbe Life Plus-C Quart
    $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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  • Family Group Image of House and Garden Nitrogen Boost
    House and Garden Nitrogen Boost
    The price depends on the options chosen on the product page
    From $49.75
    Save with Commercial Account: $00.00
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  • Family Group Image of House and Garden Magic Green
    House and Garden Magic Green
    The price depends on the options chosen on the product page
    From $26.75
    Save with Commercial Account: $00.00
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  • Family Group Image of House and Garden Algen Extract
    House and Garden Algen Extract
    The price depends on the options chosen on the product page
    From $29.00
    Save with Commercial Account: $00.00
    Shopping as a business? Request a pro account to access further discounted pricing here
    Select Options
  • Image of House and Garden Nitrogen Boost 20 Liter
    House and Garden Nitrogen Boost 20 Liter
    Special Price $657.00 Regular Price $1,019.99
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  • Image of House and Garden Magic Green 250 ml
    House and Garden Magic Green 250 ml
    Special Price $26.75 Regular Price $32.99
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  • House and Garden Nitrogen Boost 250 ml (16/Case)
    House and Garden Nitrogen Boost 250 ml (16/Case)
    Special Price $16.70 Regular Price $19.99
    Save with Commercial Account: $00.00
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  • House and Garden Nitrogen Boost 1 Liter
    House and Garden Nitrogen Boost 1 Liter
    Special Price $49.75 Regular Price $64.25
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  • Image of House and Garden Magic Green 500 ml
    House and Garden Magic Green 500 ml
    Special Price $39.75 Regular Price $53.99
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  • House and Garden Algen Extract 5 Liter
    House and Garden Algen Extract 5 Liter
    Special Price $283.75 Regular Price $406.97
    Save with Commercial Account: $00.00
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  • Image of House and Garden Algen Extract 500 ml
    House and Garden Algen Extract 500 ml
    Special Price $48.00 Regular Price $60.17
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  • House and Garden Algen Extract 250 ml
    House and Garden Algen Extract 250 ml
    Special Price $29.00 Regular Price $36.71
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  • House and Garden Algen Extract 1 Liter
    House and Garden Algen Extract 1 Liter
    Special Price $84.50 Regular Price $112.19
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  • Microbe Life Photosynthesis Plus 2.5 Gallon
    Microbe Life Photosynthesis Plus 2.5 Gallon
    Special Price $164.75 Regular Price $189.46
    Save with Commercial Account: $00.00
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