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General Additives and Enhancers

  • Out of Stock

    Emerald Harvest King Kola Gallon-3.8 Liter

    Original price $189.21
    Original price $189.21 - Original price $189.21
    Original price $189.21
    Current price $139.06
    $139.06 - $139.06
    Current price $139.06

    Get the most benefit from every flower in your garden with Emerald Harvest® King Kola®. A powerful bloom booster designed to create bigger, denser ...

    View full details
    Original price $189.21
    Original price $189.21 - Original price $189.21
    Original price $189.21
    Current price $139.06
    $139.06 - $139.06
    Current price $139.06
    Out of Stock
  • Out of Stock

    Emerald Harvest Grow Gallon-3.8 Liter

    Original price $44.48
    Original price $44.48 - Original price $44.48
    Original price $44.48
    Current price $32.67
    $32.67 - $32.67
    Current price $32.67

    Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supp...

    View full details
    Original price $44.48
    Original price $44.48 - Original price $44.48
    Original price $44.48
    Current price $32.67
    $32.67 - $32.67
    Current price $32.67
    Out of Stock
  • Out of Stock

    Emerald Harvest King Kola Quart-0.95 Liter

    Original price $53.33
    Original price $53.33 - Original price $53.33
    Original price $53.33
    Current price $39.20
    $39.20 - $39.20
    Current price $39.20

    Get the most benefit from every flower in your garden with Emerald Harvest® King Kola®. A powerful bloom booster designed to create bigger, denser ...

    View full details
    Original price $53.33
    Original price $53.33 - Original price $53.33
    Original price $53.33
    Current price $39.20
    $39.20 - $39.20
    Current price $39.20
    Out of Stock
  • Out of Stock

    Emerald Harvest Sturdy Stalk Quart-0.95 Liter

    Original price $41.48
    Original price $41.48 - Original price $41.48
    Original price $41.48
    Current price $25.88
    $25.88 - $25.88
    Current price $25.88

    Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest®. Sturdy Stalk’s ...

    View full details
    Original price $41.48
    Original price $41.48 - Original price $41.48
    Original price $41.48
    Current price $25.88
    $25.88 - $25.88
    Current price $25.88
    Out of Stock
  • Out of Stock

    Emerald Harvest Micro Gallon-3.8 Liter

    Original price $53.33
    Original price $53.33 - Original price $53.33
    Original price $53.33
    Current price $33.27
    $33.27 - $33.27
    Current price $33.27

    Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supp...

    View full details
    Original price $53.33
    Original price $53.33 - Original price $53.33
    Original price $53.33
    Current price $33.27
    $33.27 - $33.27
    Current price $33.27
    Out of Stock
  • Out of Stock

    Emerald Harvest King Kola 2.5 Gal-9.46 L

    Original price $436.66
    Original price $436.66 - Original price $436.66
    Original price $436.66
    Current price $320.90
    $320.90 - $320.90
    Current price $320.90

    Get the most benefit from every flower in your garden with Emerald Harvest'R King Kola'R. A powerful bloom booster designed to create bigger, dense...

    View full details
    Original price $436.66
    Original price $436.66 - Original price $436.66
    Original price $436.66
    Current price $320.90
    $320.90 - $320.90
    Current price $320.90
    Out of Stock
  • Out of Stock

    Emerald Harvest Micro Quart-0.95 Liter

    Original price $22.24
    Original price $22.24 - Original price $22.24
    Original price $22.24
    Current price $16.33
    $16.33 - $16.33
    Current price $16.33

    Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supp...

    View full details
    Original price $22.24
    Original price $22.24 - Original price $22.24
    Original price $22.24
    Current price $16.33
    $16.33 - $16.33
    Current price $16.33
    Out of Stock
  • FALSE
    Out of Stock

    Emerald Harvest King Kola 6 Gallon-22.7 Liter

    Original price $946.16
    Original price $946.16 - Original price $946.16
    Original price $946.16
    Current price $632.13
    $632.13 - $632.13
    Current price $632.13

    Emerald Harvest King Kola 6 Gallon/22.7 Liter (1/Cs) Note: No Return or Refund on this product

    Original price $946.16
    Original price $946.16 - Original price $946.16
    Original price $946.16
    Current price $632.13
    $632.13 - $632.13
    Current price $632.13
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow B Gallon-3.8 Liter

    Original price $59.26
    Original price $59.26 - Original price $59.26
    Original price $59.26
    Current price $43.56
    $43.56 - $43.56
    Current price $43.56

    Note: No Return or Refund on this product

    Original price $59.26
    Original price $59.26 - Original price $59.26
    Original price $59.26
    Current price $43.56
    $43.56 - $43.56
    Current price $43.56
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow A Gallon-3.8 Liter

    Original price $59.26
    Original price $59.26 - Original price $59.26
    Original price $59.26
    Current price $43.56
    $43.56 - $43.56
    Current price $43.56

    Reach the full genetic potential of your crops with Emerald Harvest® Cali Pro® Grow A & B and Cali Pro® Bloom A & B, our complete 2-part ba...

    View full details
    Original price $59.26
    Original price $59.26 - Original price $59.26
    Original price $59.26
    Current price $43.56
    $43.56 - $43.56
    Current price $43.56
    Out of Stock
  • Out of Stock

    Emerald Harvest Sturdy Stalk 6 Gallon-22.7 Liter

    Original price $400.06
    Original price $400.06 - Original price $400.06
    Original price $400.06
    Current price $267.31
    $267.31 - $267.31
    Current price $267.31

    Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest®. Sturdy Stalk’s ...

    View full details
    Original price $400.06
    Original price $400.06 - Original price $400.06
    Original price $400.06
    Current price $267.31
    $267.31 - $267.31
    Current price $267.31
    Out of Stock
  • Emerald Harvest Micro 6 Gallon-22.7 Liter

    Original price $232.88
    Original price $232.88 - Original price $232.88
    Original price $232.88
    Current price $94.04
    $94.04 - $94.04
    Current price $94.04

    Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supp...

    View full details
    Original price $232.88
    Original price $232.88 - Original price $232.88
    Original price $232.88
    Current price $94.04
    $94.04 - $94.04
    Current price $94.04
  • Out of Stock

    Emerald Harvest Cali Pro Grow A 2.5 Gal-9.46 L

    Original price $124.43
    Original price $124.43 - Original price $124.43
    Original price $124.43
    Current price $91.44
    $91.44 - $91.44
    Current price $91.44

    Reach the full genetic potential of your crops with Emerald Harvest'R Cali Pro'R Grow A & B and Cali Pro'R Bloom A & B, our complete 2-part...

    View full details
    Original price $124.43
    Original price $124.43 - Original price $124.43
    Original price $124.43
    Current price $91.44
    $91.44 - $91.44
    Current price $91.44
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow B 2.5 Gal-9.46 L

    Original price $124.43
    Original price $124.43 - Original price $124.43
    Original price $124.43
    Current price $91.44
    $91.44 - $91.44
    Current price $91.44

    Reach the full genetic potential of your crops with Emerald Harvest'R Cali Pro'R Grow A & B and Cali Pro'R Bloom A & B, our complete 2-part...

    View full details
    Original price $124.43
    Original price $124.43 - Original price $124.43
    Original price $124.43
    Current price $91.44
    $91.44 - $91.44
    Current price $91.44
    Out of Stock
  • Out of Stock

    Emerald Harvest Grow Quart-0.95 Liter

    Original price $17.76
    Original price $17.76 - Original price $17.76
    Original price $17.76
    Current price $13.05
    $13.05 - $13.05
    Current price $13.05

    Give your crops what they need when they need it most with Emerald Harvest'R Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom sup...

    View full details
    Original price $17.76
    Original price $17.76 - Original price $17.76
    Original price $17.76
    Current price $13.05
    $13.05 - $13.05
    Current price $13.05
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow B 6 Gal-22.7 L

    Original price $237.04
    Original price $237.04 - Original price $237.04
    Original price $237.04
    Current price $158.37
    $158.37 - $158.37
    Current price $158.37

    Reach the full genetic potential of your crops with Emerald Harvest® Cali Pro® Grow A & B and Cali Pro® Bloom A & B, our complete 2-part ba...

    View full details
    Original price $237.04
    Original price $237.04 - Original price $237.04
    Original price $237.04
    Current price $158.37
    $158.37 - $158.37
    Current price $158.37
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow A 6 Gal-22.7 L

    Original price $237.04
    Original price $237.04 - Original price $237.04
    Original price $237.04
    Current price $158.37
    $158.37 - $158.37
    Current price $158.37

    Reach the full genetic potential of your crops with Emerald Harvest® Cali Pro® Grow A & B and Cali Pro® Bloom A & B, our complete 2-part ba...

    View full details
    Original price $237.04
    Original price $237.04 - Original price $237.04
    Original price $237.04
    Current price $158.37
    $158.37 - $158.37
    Current price $158.37
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow A Quart-0.95 Liter

    Original price $23.72
    Original price $23.72 - Original price $23.72
    Original price $23.72
    Current price $17.41
    $17.41 - $17.41
    Current price $17.41

    Reach the full genetic potential of your crops with Emerald Harvest® Cali Pro® Grow A & B and Cali Pro® Bloom A & B, our complete 2-part ba...

    View full details
    Original price $23.72
    Original price $23.72 - Original price $23.72
    Original price $23.72
    Current price $17.41
    $17.41 - $17.41
    Current price $17.41
    Out of Stock
  • Emerald Harvest Grow 6 Gallon-22.7 Liter

    Original price $192.58
    Original price $192.58 - Original price $192.58
    Original price $192.58
    Current price $57.31
    $57.31 - $57.31
    Current price $57.31

    Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supp...

    View full details
    Original price $192.58
    Original price $192.58 - Original price $192.58
    Original price $192.58
    Current price $57.31
    $57.31 - $57.31
    Current price $57.31
  • Out of Stock

    Emerald Harvest Cali Pro Grow B Quart-0.95 Liter

    Original price $23.72
    Original price $23.72 - Original price $23.72
    Original price $23.72
    Current price $17.41
    $17.41 - $17.41
    Current price $17.41

    Reach the full genetic potential of your crops with Emerald Harvest® Cali Pro® Grow A & B and Cali Pro® Bloom A & B, our complete 2-part ba...

    View full details
    Original price $23.72
    Original price $23.72 - Original price $23.72
    Original price $23.72
    Current price $17.41
    $17.41 - $17.41
    Current price $17.41
    Out of Stock
  • Out of Stock

    Emerald Harvest Sturdy Stalk Gallon-3.8 Liter

    Original price $115.56
    Original price $115.56 - Original price $115.56
    Original price $115.56
    Current price $84.94
    $84.94 - $84.94
    Current price $84.94

    Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest®. Sturdy Stalk’s ...

    View full details
    Original price $115.56
    Original price $115.56 - Original price $115.56
    Original price $115.56
    Current price $84.94
    $84.94 - $84.94
    Current price $84.94
    Out of Stock
  • Out of Stock

    Emerald Harvest Sturdy Stalk 2.5 Gal-9.46 L

    Original price $222.25
    Original price $222.25 - Original price $222.25
    Original price $222.25
    Current price $163.34
    $163.34 - $163.34
    Current price $163.34

    Build up your plant cell walls and encourage productivity with Sturdy Stalk'R, a potassium silicate supplement from Emerald Harvest'R. Sturdy Stalk...

    View full details
    Original price $222.25
    Original price $222.25 - Original price $222.25
    Original price $222.25
    Current price $163.34
    $163.34 - $163.34
    Current price $163.34
    Out of Stock
  • Out of Stock

    Emerald Harvest Micro 2.5 Gal-9.46 L

    Original price $124.43
    Original price $124.43 - Original price $124.43
    Original price $124.43
    Current price $91.44
    $91.44 - $91.44
    Current price $91.44

    Give your crops what they need when they need it most with Emerald Harvest'R Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom sup...

    View full details
    Original price $124.43
    Original price $124.43 - Original price $124.43
    Original price $124.43
    Current price $91.44
    $91.44 - $91.44
    Current price $91.44
    Out of Stock
  • Out of Stock

    Emerald Harvest Grow 2.5 Gal-9.46 L

    Original price $100.75
    Original price $100.75 - Original price $100.75
    Original price $100.75
    Current price $74.05
    $74.05 - $74.05
    Current price $74.05

    Give your crops what they need when they need it most with Emerald Harvest'R Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom sup...

    View full details
    Original price $100.75
    Original price $100.75 - Original price $100.75
    Original price $100.75
    Current price $74.05
    $74.05 - $74.05
    Current price $74.05
    Out of Stock
  • Out of Stock

    Emerald Harvest Cali Pro Grow B 55 Gal- 208 L

    Original price $1,492.68
    Original price $1,492.68 - Original price $1,492.68
    Original price $1,492.68
    Current price $1,221.99
    $1,221.99 - $1,221.99
    Current price $1,221.99

    Special order item; may take up to two weeks before it ships. Note: No Return or Refund on this product

    Original price $1,492.68
    Original price $1,492.68 - Original price $1,492.68
    Original price $1,492.68
    Current price $1,221.99
    $1,221.99 - $1,221.99
    Current price $1,221.99
    Out of Stock
  • Out of Stock

    Emerald Harvest Grow 55 Gal- 208 L

    Original price $1,204.44
    Original price $1,204.44 - Original price $1,204.44
    Original price $1,204.44
    Current price $985.99
    $985.99 - $985.99
    Current price $985.99

    Special order item; may take up to two weeks before it ships. Note: No Return or Refund on this product

    Original price $1,204.44
    Original price $1,204.44 - Original price $1,204.44
    Original price $1,204.44
    Current price $985.99
    $985.99 - $985.99
    Current price $985.99
    Out of Stock
General Additives & Enhancers, all round additives and enhancer are used through out the life cycle off the plant alongside your current nutrient schedules, generally these products wont increase your ec but they will increase your yields and root mass. Zenhydro provides you additives and enhancers for your plants that will help you provide with the nutrients they need at every stage.