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    1. eBay
    2. Home & Garden
    3. Yard, Garden & Outdoor Living
    4. Hydroponics
    5. Hydroponic Nutrients, pH & Supplements
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    Hydroponic Nutrients, pH & Supplements

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    • Hydroponics
    • Nutrients, Supplements & pH Control
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    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Type

    • Additives & Supplements

      Additives & Supplements

    • Nutrient Package

      Nutrient Package

    • Organic Nutrients

      Organic Nutrients

    • pH Down

      pH Down

    • pH Up

      pH Up

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      Growth Stimulators

    • Nutrient Additive

      Nutrient Additive

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      Plant Specific Nutrients

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      pH Calibration Solution

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    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Brand

    • General Hydroponics

    • Advanced Nutrients

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    List View

    1-48 of 1,366 Results

    • GAIA GREEN POWER BLOOM 2-8-4 2KG

      GAIA GREEN POWER BLOOM 2-8-4 2KG

      C $24.99
      173 sold
    • GAIA GREEN ALL PURPOSE 4-4-4 2KG

      GAIA GREEN ALL PURPOSE 4-4-4 2KG

      C $24.99
      199 sold
    • GAIA GREEN ALL PURPOSE 4-4-4 20KG

      GAIA GREEN ALL PURPOSE 4-4-4 20KG

      C $104.99
      65 watching
    • GAIA GREEN POWER BLOOM 2-8-4 10KG

      GAIA GREEN POWER BLOOM 2-8-4 10KG

      C $59.99
    • Fox Farm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Pint 16oz

      Fox Farm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Pint 16oz

      4.5 out of 5 stars
      (16)16 product ratings - Fox Farm Soil Trio Nutrients Bundle, Big Bloom, Grow Big, Tiger Bloom Pint 16oz
      C $39.23
      Only 3 left
    • GAIA GREEN ALL PURPOSE 4-4-4 10KG

      GAIA GREEN ALL PURPOSE 4-4-4 10KG

      C $59.99
    • Mammoth P Microbes Bloom Bud Booster 250ml

      Mammoth P Microbes Bloom Bud Booster 250ml

      4 out of 5 stars
      (18)18 product ratings - Mammoth P Microbes Bloom Bud Booster 250ml
      C $86.05
    • GAIA GREEN POWER BLOOM 2-8-4 20KG

      GAIA GREEN POWER BLOOM 2-8-4 20KG

      C $104.99
    • Gro Pro Nx Level Pot Elevator 13 inch Growing Raising Hydroponics

      Gro Pro Nx Level Pot Elevator 13 inch Growing Raising Hydroponics

      C $11.89
      Only 3 left
    • Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter

      Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter

      5 out of 5 stars
      (25)25 product ratings - Advanced Nutrients Grow, Micro, Bloom Bundle pH Perfect Base GMB 1 Liter
      C $47.97
      Only 3 left
    • orchid cloning paste__ KEIKI POWER PRO __paste phalaenopsis clone plants 10 gram

      orchid cloning paste__ KEIKI POWER PRO __paste phalaenopsis clone plants 10 gram

      C $20.24
      C $15.19 shipping
      or Best Offer
      1,450 sold
    • General Hydroponics Flora Series Gro Micro Bloom 1 Gallon gal gh grow nutrient

      General Hydroponics Flora Series Gro Micro Bloom 1 Gallon gal gh grow nutrient

      C $110.13
      Only 3 left
    • General Hydroponics Organics GO BOX Starter Nutrient Kit Vegan Plant Food

      General Hydroponics Organics GO BOX Starter Nutrient Kit Vegan Plant Food

      4.5 out of 5 stars
      (59)59 product ratings - General Hydroponics Organics GO BOX Starter Nutrient Kit Vegan Plant Food
      C $68.29
      Only 3 left
    • Fox Farm Big Bloom 1 Quart 32 oz organic nutrients hydroponics

      Fox Farm Big Bloom 1 Quart 32 oz organic nutrients hydroponics

      5 out of 5 stars
      (123)123 product ratings - Fox Farm Big Bloom 1 Quart 32 oz organic nutrients hydroponics
      C $25.31
      Only 3 left
    • Great White Plant Success Mycorrhizae Trichoderma Beneficial Bacteria Myco

      Great White Plant Success Mycorrhizae Trichoderma Beneficial Bacteria Myco

      5 out of 5 stars
      (30)30 product ratings - Great White Plant Success Mycorrhizae Trichoderma Beneficial Bacteria Myco
      C $17.71
      C $36.08 shipping
    • Advanced Nutrients B-52 500ml fertilizer booster bloom vitamins enhancer

      Advanced Nutrients B-52 500ml fertilizer booster bloom vitamins enhancer

      C $30.24
      Only 3 left
    • General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 32 oz QT - gh

      General Hydroponics Flora Series FloraGro FloraBloom FloraMicro 32 oz QT - gh

      C $45.56
      Only 3 left
    • Monster Bloom Hydroponic Fertiliser 130g Grotek Fertilizer Additive Hydroponics

      Monster Bloom Hydroponic Fertiliser 130g Grotek Fertilizer Additive Hydroponics

      C $33.31
      Was: C $49.01
      C $42.15 shipping
      84 sold
    • Nutra-Master blend 4-18-38 Hydroponic Nutrient with all trace elements - 1KG

      Nutra-Master blend 4-18-38 Hydroponic Nutrient with all trace elements - 1KG

      C $22.95
    • Xtreme Gardening Mykos Pure Mycorrhizal 2.2 lb - Mycorrhizae Beneficial Root

      Xtreme Gardening Mykos Pure Mycorrhizal 2.2 lb - Mycorrhizae Beneficial Root

      C $36.70
      Only 3 left
    • Rhizoflora Terpinator 1 L - botanical plant oil increase aroma potency additive

      Rhizoflora Terpinator 1 L - botanical plant oil increase aroma potency additive

      5 out of 5 stars
      (15)15 product ratings - Rhizoflora Terpinator 1 L - botanical plant oil increase aroma potency additive
      C $30.24
      Only 3 left
    • Botanicare Cal Mag Plus 32 oz / 1 Quart - magnesium nutrient additive cal-mag qt

      Botanicare Cal Mag Plus 32 oz / 1 Quart - magnesium nutrient additive cal-mag qt

      C $27.84
      Only 3 left
    • Botanicare Cal Mag Plus 1 Gallon - magnesium nutrient additive cal-mag gal

      Botanicare Cal Mag Plus 1 Gallon - magnesium nutrient additive cal-mag gal

      5 out of 5 stars
      (53)53 product ratings - Botanicare Cal Mag Plus 1 Gallon - magnesium nutrient additive cal-mag gal
      C $53.16
      Only 3 left
    • Rooting Gel -IBA Rooting Hormone- Clone Cutting - Midas Products - 2 oz

      Rooting Gel -IBA Rooting Hormone- Clone Cutting - Midas Products - 2 oz

      C $15.13
      C $13.93 shipping
      87 sold
    • Fox Farm Big Bloom 1 Gallon organic nutrients hydroponics

      Fox Farm Big Bloom 1 Gallon organic nutrients hydroponics

      5 out of 5 stars
      (14)14 product ratings - Fox Farm Big Bloom 1 Gallon organic nutrients hydroponics
      C $69.62
      Only 3 left
    • Fox Farm Instant Grow Big 1 Pint Liquid Plant Food Vegetative Growth Foxfarm

      Fox Farm Instant Grow Big 1 Pint Liquid Plant Food Vegetative Growth Foxfarm

      5 out of 5 stars
      (16)16 product ratings - Fox Farm Instant Grow Big 1 Pint Liquid Plant Food Vegetative Growth Foxfarm
      C $21.38
      Only 3 left
    • Advanced Nutrients Flawless Finish 1L cleaning system solution flush liter

      Advanced Nutrients Flawless Finish 1L cleaning system solution flush liter

      C $25.94
      Only 3 left
    • Advanced Nutrients B-52 1 Liter - fertilizer booster bloom vitamins enhancer

      Advanced Nutrients B-52 1 Liter - fertilizer booster bloom vitamins enhancer

      C $42.40
      Only 3 left
    • General Organics Bio Root 1 Quart 32oz - bioroot gh organic vitamin stem

      General Organics Bio Root 1 Quart 32oz - bioroot gh organic vitamin stem

      C $25.18
      Only 3 left
    • Budswel Liquid 1 Gallon gal 1G Bat Guano nutrient supplement organic fertilizer

      Budswel Liquid 1 Gallon gal 1G Bat Guano nutrient supplement organic fertilizer

      5 out of 5 stars
      (9)9 product ratings - Budswel Liquid 1 Gallon gal 1G Bat Guano nutrient supplement organic fertilizer
      C $63.29
      Only 3 left
    • Advanced Nutrients Voodoo Juice 1L Liter - beneficial bacteria root booster new

      Advanced Nutrients Voodoo Juice 1L Liter - beneficial bacteria root booster new

      C $61.89
      Only 3 left
    • Plant Success Great White Mycorrhizae 4 oz

      Plant Success Great White Mycorrhizae 4 oz

      5 out of 5 stars
      (2)2 product ratings - Plant Success Great White Mycorrhizae 4 oz
      C $74.99
      11 watching
    • Mammoth P Microbes Active Microbial Phosphorus Bloom Booster 120ml

      Mammoth P Microbes Active Microbial Phosphorus Bloom Booster 120ml

      C $54.43
      Only 3 left
    • Advanced Nutrients Rhino Skin Potassium Silicate Supplement Plant Enhancer 250ml

      Advanced Nutrients Rhino Skin Potassium Silicate Supplement Plant Enhancer 250ml

      4.5 out of 5 stars
      (24)24 product ratings - Advanced Nutrients Rhino Skin Potassium Silicate Supplement Plant Enhancer 250ml
      C $14.80
      Only 3 left
    • Aerogarden Liquid Plant Food Nutrients 3oz. Hydroponics Nutrients

      Aerogarden Liquid Plant Food Nutrients 3oz. Hydroponics Nutrients

      C $18.93
      C $25.56 shipping
      or Best Offer
      122 sold
    • Advanced Nutrients Big Bud Liquid 250ml bloom booster enhancer fertilizer

      Advanced Nutrients Big Bud Liquid 250ml bloom booster enhancer fertilizer

      4.5 out of 5 stars
      (26)26 product ratings - Advanced Nutrients Big Bud Liquid 250ml bloom booster enhancer fertilizer
      C $22.14
      Only 3 left
    • Fox Farm Tiger Bloom 1 Quart 32 Oz - Fox Farm Nutrients Hydroponics Fertilizer

      Fox Farm Tiger Bloom 1 Quart 32 Oz - Fox Farm Nutrients Hydroponics Fertilizer

      5 out of 5 stars
      (29)29 product ratings - Fox Farm Tiger Bloom 1 Quart 32 Oz - Fox Farm Nutrients Hydroponics Fertilizer
      C $31.02
      C $61.08 shipping
      37 sold
    • GH General Hydroponics pH Up and pH Down 1 Quart Combo Kit Water Adjuster Buffer

      GH General Hydroponics pH Up and pH Down 1 Quart Combo Kit Water Adjuster Buffer

      5 out of 5 stars
      (8)8 product ratings - GH General Hydroponics pH Up and pH Down 1 Quart Combo Kit Water Adjuster Buffer
      C $32.78
      Only 3 left
    • Botanicare Hydroguard 1 Quart - root inoculant hydroponics transplant nutrients

      Botanicare Hydroguard 1 Quart - root inoculant hydroponics transplant nutrients

      C $41.77
      4 watching
    • Physan 20 8 oz ounce - fungicide algaecide bactericide concentrate lawn grass

      Physan 20 8 oz ounce - fungicide algaecide bactericide concentrate lawn grass

      C $12.01
      Only 3 left
    • Advanced Nutrients Big Bud Liquid 1 Liter - Bloom Booster Enhancer

      Advanced Nutrients Big Bud Liquid 1 Liter - Bloom Booster Enhancer

      C $38.60
      Only 3 left
    • Botanicare Silica Blast 32 oz Quart - silicate hydroponics nutrient supplement

      Botanicare Silica Blast 32 oz Quart - silicate hydroponics nutrient supplement

      5 out of 5 stars
      (7)7 product ratings - Botanicare Silica Blast 32 oz Quart - silicate hydroponics nutrient supplement
      C $25.18
      Only 3 left
    • Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base Nutrient 4L

      Advanced Nutrients Grow Micro Bloom pH Perfect Bundle Set Combo Base Nutrient 4L

      C $145.45
      Only 3 left
    • Emerald Harvest - King Kola - Gallon - Powerful Bloom Booster Nitrogen

      Emerald Harvest - King Kola - Gallon - Powerful Bloom Booster Nitrogen

      C $125.19
      8 watching
    • Flood Table 2' x 4'

      Flood Table 2' x 4'

      C $74.99
      16 watching
    • General Hydroponics Rapid Start for Root Branching, 125ml

      General Hydroponics Rapid Start for Root Branching, 125ml

      C $30.50
      Only 3 left
    • Advanced Nutrients Bud Candy flower booster bloom enhancer stimulator 250ml

      Advanced Nutrients Bud Candy flower booster bloom enhancer stimulator 250ml

      5 out of 5 stars
      (2)2 product ratings - Advanced Nutrients Bud Candy flower booster bloom enhancer stimulator 250ml
      C $23.41
      Only 3 left
    • Advanced Nutrients Overdrive Bloom Booster 1L

      Advanced Nutrients Overdrive Bloom Booster 1L

      C $37.21
      Only 3 left

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