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Nutrients and Additives

  • Out of Stock

    Earth Juice Hi-Brix Molasses Gallon

    Original price $12.49
    Original price $12.49 - Original price $12.49
    Original price $12.49
    Current price $11.92
    $11.92 - $11.92
    Current price $11.92

    Original price $12.49
    Original price $12.49 - Original price $12.49
    Original price $12.49
    Current price $11.92
    $11.92 - $11.92
    Current price $11.92
    Out of Stock
  • Out of Stock

    Dyna-Gro Pure Neem Oil 8 oz

    Original price $17.85 - Original price $17.85
    Original price $17.85
    $19.29
    $19.29 - $19.29
    Current price $19.29

    Original price $17.85 - Original price $17.85
    Original price $17.85
    $19.29
    $19.29 - $19.29
    Current price $19.29
    Out of Stock
  • FALSE
    Out of Stock

    AN Flawless Finish 1L

    Original price $12.34
    Original price $12.34 - Original price $12.34
    Original price $12.34
    Current price $11.59
    $11.59 - $11.59
    Current price $11.59

    AN Flawless Finish 1L

    Original price $12.34
    Original price $12.34 - Original price $12.34
    Original price $12.34
    Current price $11.59
    $11.59 - $11.59
    Current price $11.59
    Out of Stock
  • Out of Stock

    GH pH 4.01 Calibration Solution Quart

    Original price $25.75
    Original price $25.75 - Original price $25.75
    Original price $25.75
    Current price $13.95
    $13.95 - $13.95
    Current price $13.95

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

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    Original price $25.75
    Original price $25.75 - Original price $25.75
    Original price $25.75
    Current price $13.95
    $13.95 - $13.95
    Current price $13.95
    Out of Stock
  • Out of Stock

    GH CALiMAGic 2.5 Gallon

    Original price $135.43
    Original price $135.43 - Original price $135.43
    Original price $135.43
    Current price $87.41
    $87.41 - $87.41
    Current price $87.41

    CALiMAGic is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondar...

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    Original price $135.43
    Original price $135.43 - Original price $135.43
    Original price $135.43
    Current price $87.41
    $87.41 - $87.41
    Current price $87.41
    Out of Stock
  • Out of Stock

    Down To Earth Granular Humic Acid - 50 lb

    Original price $38.24 - Original price $38.24
    Original price $38.24
    $56.99
    $56.99 - $56.99
    Current price $56.99

    Down To Earth™ Granular Humic Acids is a highly concentrated source of humic substances that is ideal for use on fields, turf and vegetable g...

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    Original price $38.24 - Original price $38.24
    Original price $38.24
    $56.99
    $56.99 - $56.99
    Current price $56.99
    Out of Stock
  • Out of Stock

    Down To Earth Alfalfa Meal - 5 lb

    Original price $11.13
    Original price $11.13 - Original price $11.13
    Original price $11.13
    Current price $8.16
    $8.16 - $8.16
    Current price $8.16

    Note: No Return or Refund on this product

    Original price $11.13
    Original price $11.13 - Original price $11.13
    Original price $11.13
    Current price $8.16
    $8.16 - $8.16
    Current price $8.16
    Out of Stock
  • AN pH Perfect ® Sensi Grow Part A 1L

    Original price $18.38
    Original price $18.38 - Original price $18.38
    Original price $18.38
    Current price $10.21
    $10.21 - $10.21
    Current price $10.21

    Give your plants a phenomenal grow phase with this proven 2-part base. The most successful growers have spent many years relying on Sensi Grow to g...

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    Original price $18.38
    Original price $18.38 - Original price $18.38
    Original price $18.38
    Current price $10.21
    $10.21 - $10.21
    Current price $10.21
  • Out of Stock

    CYCO Coco Coir, 50 L

    Original price $29.95
    Original price $29.95 - Original price $29.95
    Original price $29.95
    Current price $21.09
    $21.09 - $21.09
    Current price $21.09

    You may be familiar with our 50 Liter Coco Coir bags, but now Cyco has a 5 kg/11 lb compressed brick, giving you the same quality Cyco Coco Coir wi...

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    Original price $29.95
    Original price $29.95 - Original price $29.95
    Original price $29.95
    Current price $21.09
    $21.09 - $21.09
    Current price $21.09
    Out of Stock
  • Out of Stock

    GH Flora Nectar FruitnFusion Gallon

    Original price $74.59
    Original price $74.59 - Original price $74.59
    Original price $74.59
    Current price $48.33
    $48.33 - $48.33
    Current price $48.33

    Flora Nectar® contains all natural raw cane sugar, molasses, malt syrup, select plant based esters, L-amino acids, organic acids, vitamins and esse...

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    Original price $74.59
    Original price $74.59 - Original price $74.59
    Original price $74.59
    Current price $48.33
    $48.33 - $48.33
    Current price $48.33
    Out of Stock
  • Out of Stock

    RAW Phosphorus 2 oz

    Original price $5.59
    Original price $5.59 - Original price $5.59
    Original price $5.59
    Current price $5.26
    $5.26 - $5.26
    Current price $5.26

    Original price $5.59
    Original price $5.59 - Original price $5.59
    Original price $5.59
    Current price $5.26
    $5.26 - $5.26
    Current price $5.26
    Out of Stock
  • Out of Stock

    AN CarboLoad ® 1L

    Original price $15.10
    Original price $15.10 - Original price $15.10
    Original price $15.10
    Current price $14.19
    $14.19 - $14.19
    Current price $14.19

    AN CarboLoad 1L

    Original price $15.10
    Original price $15.10 - Original price $15.10
    Original price $15.10
    Current price $14.19
    $14.19 - $14.19
    Current price $14.19
    Out of Stock
  • SNS 209 Systemic Pest Control Conc. Gallon

    Original price $115.50
    Original price $115.50 - Original price $115.50
    Original price $115.50
    Current price $92.60
    $92.60 - $92.60
    Current price $92.60

    Safely and easily make your plants resistant to pests! SNS 209 All Natural Systemic Pest Control provides a barrier for plants to protect them agai...

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    Original price $115.50
    Original price $115.50 - Original price $115.50
    Original price $115.50
    Current price $92.60
    $92.60 - $92.60
    Current price $92.60
  • 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 ...

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    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

    Botanicare Hydroplex Bloom Quart

    Original price $48.95
    Original price $48.95 - Original price $48.95
    Original price $48.95
    Current price $31.81
    $31.81 - $31.81
    Current price $31.81

    Note: No Return or Refund on this product

    Original price $48.95
    Original price $48.95 - Original price $48.95
    Original price $48.95
    Current price $31.81
    $31.81 - $31.81
    Current price $31.81
    Out of Stock
  • Out of Stock

    GH Diamond Nectar 2.5 Gallon

    Original price $126.11
    Original price $126.11 - Original price $126.11
    Original price $126.11
    Current price $81.70
    $81.70 - $81.70
    Current price $81.70

    Diamond Nectar® accelerates nutrient absorption where mineral foods enter the plant. Diamond Nectar® applies the chelating action of humic acids to...

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    Original price $126.11
    Original price $126.11 - Original price $126.11
    Original price $126.11
    Current price $81.70
    $81.70 - $81.70
    Current price $81.70
    Out of Stock
  • Out of Stock

    AN Rhino Skin 500mL

    Original price $11.13
    Original price $11.13 - Original price $11.13
    Original price $11.13
    Current price $10.46
    $10.46 - $10.46
    Current price $10.46

    AN Rhino Skin 500mL

    Original price $11.13
    Original price $11.13 - Original price $11.13
    Original price $11.13
    Current price $10.46
    $10.46 - $10.46
    Current price $10.46
    Out of Stock
  • FALSE
    Out of Stock

    Botanicare Ebb & Flow Screen Fitting, Pack of 25 Pieces

    Original price $13.51 - Original price $13.51
    Original price
    $13.51
    $13.51 - $13.51
    Current price $13.51

    Price shown is per unit; add to cart for case price.

    Original price $13.51 - Original price $13.51
    Original price
    $13.51
    $13.51 - $13.51
    Current price $13.51
    Out of Stock
  • Out of Stock

    Emerald Harvest Kick-Starter Kit - 2 Part Base

    Original price $267.26
    Original price $267.26 - Original price $267.26
    Original price $267.26
    Current price $172.99
    $172.99 - $172.99
    Current price $172.99

    It can be tough to switch from one nutrient brand to another. With the Emerald Harvest'R Kick-Starter Kit, you can try the line of premium nutrient...

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    Original price $267.26
    Original price $267.26 - Original price $267.26
    Original price $267.26
    Current price $172.99
    $172.99 - $172.99
    Current price $172.99
    Out of Stock
  • Out of Stock

    AN pH Perfect ® Connoisseur Bloom Part A 4L

    Original price $76.36
    Original price $76.36 - Original price $76.36
    Original price $76.36
    Current price $44.92
    $44.92 - $44.92
    Current price $44.92

    Original price $76.36
    Original price $76.36 - Original price $76.36
    Original price $76.36
    Current price $44.92
    $44.92 - $44.92
    Current price $44.92
    Out of Stock
  • Out of Stock

    Botanicare Pure Blend Tea Gallon

    Original price $45.28
    Original price $45.28 - Original price $45.28
    Original price $45.28
    Current price $29.36
    $29.36 - $29.36
    Current price $29.36

    Pure Blend® Tea (formerly Pure Blend® Original Grow & Bloom). Pure Blend® Tea combines the key elements of both Pure Blend® Original Grow and B...

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    Original price $45.28
    Original price $45.28 - Original price $45.28
    Original price $45.28
    Current price $29.36
    $29.36 - $29.36
    Current price $29.36
    Out of Stock
  • Botanicare Sweet Carbo Raw Quart

    Original price $37.54
    Original price $37.54 - Original price $37.54
    Original price $37.54
    Current price $24.45
    $24.45 - $24.45
    Current price $24.45

    Sweet® Raw is a flavorless, all natural mineral supplement that meets the metabolic demands of your plants throughout their life cycle. All Sweet® ...

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    Original price $37.54
    Original price $37.54 - Original price $37.54
    Original price $37.54
    Current price $24.45
    $24.45 - $24.45
    Current price $24.45
  • Out of Stock

    GH Hardwater Flora Micro 6 Gallon

    Original price $199.68
    Original price $199.68 - Original price $199.68
    Original price $199.68
    Current price $98.99
    $98.99 - $98.99
    Current price $98.99

    If your tap water is over 200 ppm (or contains Calcium above 70 ppm), use Flora Micro® Hardwater. If your water contains 30 to 50 ppm Calcium, you ...

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    Original price $199.68
    Original price $199.68 - Original price $199.68
    Original price $199.68
    Current price $98.99
    $98.99 - $98.99
    Current price $98.99
    Out of Stock
  • Out of Stock

    Nuke Em Quart

    Original price $45.10
    Original price $45.10 - Original price $45.10
    Original price $45.10
    Current price $39.54
    $39.54 - $39.54
    Current price $39.54

    Nuke Em Quart

    Original price $45.10
    Original price $45.10 - Original price $45.10
    Original price $45.10
    Current price $39.54
    $39.54 - $39.54
    Current price $39.54
    Out of Stock
  • FALSE
    Out of Stock

    AN Sensizym 4L

    Original price $72.50 - Original price $72.50
    Original price $72.50
    $74.96
    $74.96 - $74.96
    Current price $74.96

    AN Sensizym 4L

    Original price $72.50 - Original price $72.50
    Original price $72.50
    $74.96
    $74.96 - $74.96
    Current price $74.96
    Out of Stock
  • FALSE
    Out of Stock

    AN pH Perfect ® Bloom 1L

    Original price $7.50
    Original price $7.50 - Original price $7.50
    Original price $7.50
    Current price $7.05
    $7.05 - $7.05
    Current price $7.05

    AN pH Perfect Bloom 1L

    Original price $7.50
    Original price $7.50 - Original price $7.50
    Original price $7.50
    Current price $7.05
    $7.05 - $7.05
    Current price $7.05
    Out of Stock
  • Out of Stock

    House & Garden Aqua Flakes A -- 5 Liters

    Original price $49.48
    Original price $49.48 - Original price $49.48
    Original price $49.48
    Current price $31.10
    $31.10 - $31.10
    Current price $31.10

    Note: No Return or Refund on this product

    Original price $49.48
    Original price $49.48 - Original price $49.48
    Original price $49.48
    Current price $31.10
    $31.10 - $31.10
    Current price $31.10
    Out of Stock
  • Out of Stock

    Down To Earth Fish Powder - 5 lb

    Original price $56.88
    Original price $56.88 - Original price $56.88
    Original price $56.88
    Current price $41.80
    $41.80 - $41.80
    Current price $41.80

    Premium quality solution grade high nitrogen fertilizer for promotion of rapid plant growth or correction of nitrogen deficiencies. Enzymatically h...

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    Original price $56.88
    Original price $56.88 - Original price $56.88
    Original price $56.88
    Current price $41.80
    $41.80 - $41.80
    Current price $41.80
    Out of Stock
  • Out of Stock

    AN pH Perfect ® Connoisseur Grow Part B 1L

    Original price $12.81
    Original price $12.81 - Original price $12.81
    Original price $12.81
    Current price $12.04
    $12.04 - $12.04
    Current price $12.04

    Original price $12.81
    Original price $12.81 - Original price $12.81
    Original price $12.81
    Current price $12.04
    $12.04 - $12.04
    Current price $12.04
    Out of Stock
  • Out of Stock

    Superthrive Gallon

    Original price $214.49
    Original price $214.49 - Original price $214.49
    Original price $214.49
    Current price $203.86
    $203.86 - $203.86
    Current price $203.86

    SUPERthrive® now includes kelp which enhances the timeless formula with nutrition from the sea. SUPERthrive® just add it to fertilizer for growth! ...

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    Original price $214.49
    Original price $214.49 - Original price $214.49
    Original price $214.49
    Current price $203.86
    $203.86 - $203.86
    Current price $203.86
    Out of Stock
  • Out of Stock

    House & Garden Aqua Flakes B -- 5 Liters

    Original price $49.48
    Original price $49.48 - Original price $49.48
    Original price $49.48
    Current price $31.10
    $31.10 - $31.10
    Current price $31.10

    Note: No Return or Refund on this product

    Original price $49.48
    Original price $49.48 - Original price $49.48
    Original price $49.48
    Current price $31.10
    $31.10 - $31.10
    Current price $31.10
    Out of Stock
  • Out of Stock

    AN pH Perfect ® Connoisseur Grow Part A 1L

    Original price $12.81
    Original price $12.81 - Original price $12.81
    Original price $12.81
    Current price $12.04
    $12.04 - $12.04
    Current price $12.04

    Original price $12.81
    Original price $12.81 - Original price $12.81
    Original price $12.81
    Current price $12.04
    $12.04 - $12.04
    Current price $12.04
    Out of Stock
  • Out of Stock

    AN pH Perfect ® Connoisseur Bloom Part B 4L

    Original price $41.03
    Original price $41.03 - Original price $41.03
    Original price $41.03
    Current price $38.57
    $38.57 - $38.57
    Current price $38.57

    Original price $41.03
    Original price $41.03 - Original price $41.03
    Original price $41.03
    Current price $38.57
    $38.57 - $38.57
    Current price $38.57
    Out of Stock
  • FALSE
    Out of Stock

    General Hydroponics FloraPro Bloom Soluble 25 lb bag

    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $56.99
    $56.99 - $56.99
    Current price $56.99

    General Hydroponics FloraPro Bloom Soluble 25 lb bag Note: No Return or Refund on this product

    Original price $79.47
    Original price $79.47 - Original price $79.47
    Original price $79.47
    Current price $56.99
    $56.99 - $56.99
    Current price $56.99
    Out of Stock
  • Out of Stock

    Sugar Daddy 4 Liter

    Original price $102.68
    Original price $102.68 - Original price $102.68
    Original price $102.68
    Current price $55.44
    $55.44 - $55.44
    Current price $55.44

    Original price $102.68
    Original price $102.68 - Original price $102.68
    Original price $102.68
    Current price $55.44
    $55.44 - $55.44
    Current price $55.44
    Out of Stock
  • Botanicare Pure Blend Pro Bloom Quart

    Original price $29.81
    Original price $29.81 - Original price $29.81
    Original price $29.81
    Current price $19.37
    $19.37 - $19.37
    Current price $19.37

    Pure Blend® Pro is a premium, one-part, natural and organic-based plant food. Pure Blend® Pro is a healthy environment-friendly alternative to comm...

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    Original price $29.81
    Original price $29.81 - Original price $29.81
    Original price $29.81
    Current price $19.37
    $19.37 - $19.37
    Current price $19.37
  • Out of Stock

    AN pH Perfect ® Micro 1L

    Original price $10.12
    Original price $10.12 - Original price $10.12
    Original price $10.12
    Current price $9.51
    $9.51 - $9.51
    Current price $9.51

    AN pH Perfect Micro 1L

    Original price $10.12
    Original price $10.12 - Original price $10.12
    Original price $10.12
    Current price $9.51
    $9.51 - $9.51
    Current price $9.51
    Out of Stock
  • Out of Stock

    Botanicare Cocogro Loose 1.75 cu ft

    Original price $37.43
    Original price $37.43 - Original price $37.43
    Original price $37.43
    Current price $23.30
    $23.30 - $23.30
    Current price $23.30

    Cocogro® is blended from 100% premium Coco Coir that has been carefully processed to our meet our rigorous specifications. Cocogro® offers gardener...

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    Original price $37.43
    Original price $37.43 - Original price $37.43
    Original price $37.43
    Current price $23.30
    $23.30 - $23.30
    Current price $23.30
    Out of Stock
  • Out of Stock

    House & Garden "Silver" Root Excelurator -- 250 ml

    Original price $87.82
    Original price $87.82 - Original price $87.82
    Original price $87.82
    Current price $51.99
    $51.99 - $51.99
    Current price $51.99

    Back due to popular demand, the original formula! Roots Excelurator is for use in Hydroponic and soil applications where you want to provide specia...

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    Original price $87.82
    Original price $87.82 - Original price $87.82
    Original price $87.82
    Current price $51.99
    $51.99 - $51.99
    Current price $51.99
    Out of Stock
  • Out of Stock

    Emerald Harvest Honey Chome Gallon-3.8 Liter

    Original price $142.65
    Original price $142.65 - Original price $142.65
    Original price $142.65
    Current price $104.81
    $104.81 - $104.81
    Current price $104.81

    Note: No Return or Refund on this product

    Original price $142.65
    Original price $142.65 - Original price $142.65
    Original price $142.65
    Current price $104.81
    $104.81 - $104.81
    Current price $104.81
    Out of Stock
  • Out of Stock

    Emerald Harvest Emerald Goddess Gallon-3.8 Liter

    Original price $189.21
    Original price $189.21 - Original price $189.21
    Original price $189.21
    Current price $117.99
    $117.99 - $117.99
    Current price $117.99

    Nurture your valuable crops with Emerald Goddess®, an invigorating plant tonic from Emerald Harvest®. We’ve taken Mother Nature’s best naturally oc...

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    Original price $189.21
    Original price $189.21 - Original price $189.21
    Original price $189.21
    Current price $117.99
    $117.99 - $117.99
    Current price $117.99
    Out of Stock
  • Out of Stock

    Down To Earth Bio-Live - 25 lb

    Original price $68.97
    Original price $68.97 - Original price $68.97
    Original price $68.97
    Current price $50.54
    $50.54 - $50.54
    Current price $50.54

    A rich, organic fertilizer mix infused with a generous amount of beneficial bacteria and Mycorrhizal fungi to stimulate rooting, vigor and optimum ...

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    Original price $68.97
    Original price $68.97 - Original price $68.97
    Original price $68.97
    Current price $50.54
    $50.54 - $50.54
    Current price $50.54
    Out of Stock
  • Out of Stock

    Botanicare Hydroguard 5 Gallon

    Original price $390.40
    Original price $390.40 - Original price $390.40
    Original price $390.40
    Current price $230.41
    $230.41 - $230.41
    Current price $230.41

    Hydroguard™ is back with a new, clean look and a more powerful, concentrated formula. Hydroguard's reformulation makes it even more effective than ...

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    Original price $390.40
    Original price $390.40 - Original price $390.40
    Original price $390.40
    Current price $230.41
    $230.41 - $230.41
    Current price $230.41
    Out of Stock
  • Out of Stock

    Botanicare CNS17 Ripe Gallon

    Original price $30.56
    Original price $30.56 - Original price $30.56
    Original price $30.56
    Current price $16.73
    $16.73 - $16.73
    Current price $16.73

    CNS17® Ripe is a highly concentrated, economical nutrient that produces premium results for both commercial and small scale growers. CNS17® Ripe wa...

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    Original price $30.56
    Original price $30.56 - Original price $30.56
    Original price $30.56
    Current price $16.73
    $16.73 - $16.73
    Current price $16.73
    Out of Stock
  • Out of Stock

    GH CaMg+ Gallon

    Original price $73.99
    Original price $73.99 - Original price $73.99
    Original price $73.99
    Current price $48.05
    $48.05 - $48.05
    Current price $48.05

    CaMg+® is the ideal supplement to provide a natural source of Calcium and Magnesium, critical elements in a plant's growth cycle. CaMg+® is biologi...

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    Original price $73.99
    Original price $73.99 - Original price $73.99
    Original price $73.99
    Current price $48.05
    $48.05 - $48.05
    Current price $48.05
    Out of Stock
  • Out of Stock

    Dyna-Gro Foliage-Pro Quart

    Original price $25.29 - Original price $25.29
    Original price
    $25.29
    $25.29 - $25.29
    Current price $25.29

    Original price $25.29 - Original price $25.29
    Original price
    $25.29
    $25.29 - $25.29
    Current price $25.29
    Out of Stock
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    Dyna-Gro Liquid Bloom Gallon

    Original price $72.42 - Original price $72.42
    Original price $72.42
    $75.99
    $75.99 - $75.99
    Current price $75.99

    BLOOM™ 3-12-6 is a low nitrogen, high phosphorus formula containing all 6 essential macronutrients and all 10 essential micronutrients. BLOOM™ is s...

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    Original price $72.42 - Original price $72.42
    Original price $72.42
    $75.99
    $75.99 - $75.99
    Current price $75.99
    Out of Stock
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    Botanicare Pure Blend Pro Soil Quart

    Original price $29.22
    Original price $29.22 - Original price $29.22
    Original price $29.22
    Current price $18.99
    $18.99 - $18.99
    Current price $18.99

    Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double ...

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    Original price $29.22
    Original price $29.22 - Original price $29.22
    Original price $29.22
    Current price $18.99
    $18.99 - $18.99
    Current price $18.99
    Out of Stock

Nutrients and Additives and Green Houses Benefits

Nutrition management is at the core of a good hydroponic system as it lacks soil and the natural elements that come with it. It is essential for every grower to understand the basic plant nutrient requirements and provide good hydroponic nutrients on a scheduled basis. Plants usually need 16 different elements in nutrition of which hydrogen, oxygen and carbon are available in air and water. The rest need to be supplied in different ratios. Primary macronutrients are the most important ones that are needed in larger ratios than the rest. They include Nitrogen, Phosphorous and Potassium (NPK). Secondary nutrients are calcium, magnesium and sulphur while micro nutrients include boron, chlorine, copper, iron, manganese. Molybdenum and zinc. Each of the elements has a specific role to play in the plants’ life cycle. Hundreds of cheap hydroponic nutrients are available in the market for growers and Zenhydro discount hydroponics store offers the best nutrients for hydroponics at great prices Some of the popular brands are Advanced Nutrients, General Hydroponic, Botanicare, Roots Organics, CYCO, Humboldt Nutrients, Emerald Harvest, FoxFarm and NPK Industries. Choose the best hydroponic nutrients, the best hydro nutrients and hydroponic additives from Zenhydro hydroponic store.