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Additives

  • Xtreme Gardening Mykos Mycorrhizae - [hydropros]

    Xtreme Gardening Mykos Mycorrhizae

    Xtreme Gardening
    from $4.99

    MYKOS mycorrhizae is a natural and organic species of beneficial soil fungi that create a "sponge-like" mass which collects and stores nutrients an...

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    from $4.99
  • Cyco Nutrients B1 Boost - [hydropros]

    Cyco Nutrients B1 Boost

    Cyco Nutrients
    from $27.99

    Cyco B1 Boost helps to stimulate the growth of roots in new plants and can assist at any time in a plants life cycle. B1 is seen as an insurance po...

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    from $27.99
  • Botanicare Cal-Mag Plus - [hydropros]

    Botanicare Cal-Mag Plus

    Botanicare
    from $16.18

    Botanicare Cal-Mag Plus (2-0-0) is a custom blend of calcium complex with nitrate nitrogen and a highly soluble form of chelated magnesium. This co...

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    from $16.18
  • Remo Nutrients Magnifical - [hydropros]

    Remo Nutrients Magnifical

    Remo Nutrients
    from $14.85

    MagNifiCal is super chelated, resulting in a quicker uptake to your plants. This formula has been specially designed speed up absorption rates and ...

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    from $14.85
  • Remo Nutrients Root Gel Rooting Compound - [hydropros]

    Remo Nutrients Root Gel Rooting Compound

    Remo Nutrients
    from $2.83

    Remo's Roots packs a big punch into a small container. With both IBA and NAA, this powerful gel ensures consistent results every time. Remo's Roots...

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    from $2.83
  • Advanced Nutrients Carboload Liquid - [hydropros]

    Advanced Nutrients Carboload Liquid

    Advanced Nutrients
    from $5.79

    Our Carbo Load Liquid product is a great way to enhance your crop's production by stoking it's need for carbohydrates beginning in the early part o...

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    from $5.79
  • General Hydroponics CaliMagic - [hydropros]

    General Hydroponics CaliMagic

    General Hydroponics
    from $13.48

    CALiMAGicTM is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing second...

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    from $13.48
  • Botanicare Hydroplex Bloom - [hydropros]

    Botanicare Hydroplex Bloom

    Botanicare
    from $26.90

    The flowering stage creates a very demanding environment for plants. Plants need more than just the P's and K's to reach their ultimate potential. ...

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    from $26.90
  • Cyco Nutrients Supa Stiky - [hydropros]

    Cyco Nutrients Supa Stiky

    Cyco Nutrients
    from $30.81

    Premium Plant Nutrient Cyco Platinum Series Supa Stiky (0.6-3-2) is an additive used during the flowering cycle of plant growth that aids in fruit ...

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    from $30.81
  • Humboldt County's Own Magnum - [hydropros]

    Humboldt County's Own Magnum

    Humboldt County's Own
    from $11.04

    Magnum is a concentrated Magnesium supplement with vitamin B1 for supplying extra Magnesium and Sulfur during the Bloom phase.

    from $11.04
  • Humboldt County's Own Deep Breath - [hydropros]

    Humboldt County's Own Deep Breath

    Humboldt County's Own
    from $43.99

    Are you impressed by the immediate and powerful effect of G10 on the size and density of your flowers? Wait till you add DEEP BREATH to your feedin...

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    from $43.99
  • General Organics BioBud - [hydropros]

    General Organics BioBud

    General Organics
    from $29.86

    General Hydroponics General Organics Bio Bud Bloom Booster 1 Quart Product Description Premium Plant Nutrient 0.5-0.1-1 Bio Bud is a powerful bloom...

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    from $29.86
  • General Organics BioRoot - [hydropros]

    General Organics BioRoot

    General Organics
    from $13.94

    General Hydroponics General Organics Bio Root, Root Booster 1 Quart Product Premium Plant Nutrient BioRoot is a natural plant growth supplement th...

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    from $13.94
  • Roots Organics HP2 Liquid Bat Guano - [hydropros]

    Roots Organics HP2 Liquid Bat Guano

    Roots Organics
    from $11.79

    Roots Organics HP2 liquid bat guano is a specially extracted natural source of organic phosphorus. Bat guano is renowned as a source of available n...

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    from $11.79
  • Heavy 16 Fire - [hydropros]

    Heavy 16 Fire

    Heavy 16
    from $39.98

    Heavy 16 Fire 1 Liter Heavy Fire represents the ultimate hand crafted P/K booster created through strict adherence to nutritional chemistry and bio...

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    from $39.98
  • Cyco Nutrients Silica - [hydropros]

    Cyco Nutrients Silica

    Cyco Nutrients
    from $14.38

    Platinum Series Cyco Silica increases the amount of chlorophyll in leaves, allowing plants to tolerate both higher- and lower-than-optimum light le...

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    from $14.38
  • Botanicare Clearex - [hydropros]

    Botanicare Clearex

    Botanicare
    from $9.45

    Clearex for Periodic Flushing. Use Clearex to correct the most common cause of crop failture - The buildup of nutrient salt deposits in soils or so...

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    from $9.45
  • Cyco Nutrients Potash Plus - [hydropros]

    Cyco Nutrients Potash Plus

    Cyco Nutrients
    from $14.38

    Cyco Potash Plus aids in achieving full, high-quality yields. It helps get nutrients and sugars from leaves to plant storage organs, improving over...

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    from $14.38
  • Humboldt County's Own Crystal Burst - [hydropros]

    Humboldt County's Own Crystal Burst

    Humboldt County's Own
    from $19.36

    Crystal Burst (0-15-15) + B1, one of the most potent liquid PK Boosts on the market. 50% stronger than the most popular brands on the market yet it...

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    from $19.36
  • Humboldt County's Own G10 Gravitation - [hydropros]

    Humboldt County's Own G10 Gravitation

    Humboldt County's Own
    from $47.11

    Humboldt County's Own started with their original proprietary kelp extract and took it to the next level with G10 (Gravitation #10). Use from the t...

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    from $47.11
  • Heavy 16 Foliar - [hydropros]

    Heavy 16 Foliar

    Heavy 16
    from $11.98

    In our quest to provide the highest grade products with superior efficacy to our growers, Heavy 16 Professional Foliar Nutrient (PFN) is hands down...

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    from $11.98
  • Botanicare Rhizo Blast - [hydropros]

    Botanicare Rhizo Blast

    Botanicare
    from $28.38

    Rhizo BlastTM is Botanicare's newest breakthrough in root stimulant technology. Rhizo BlastTM is a proprietary blend of seaweed, minerals, vitamins...

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    from $28.38
  • Heavy 16 Roots - [hydropros]

    Heavy 16 Roots

    Heavy 16
    from $73.49

    Heavy Roots is a revolutionary new additive designed to enhance the rhizosphere on all levels. As always, we have packed multiple functions into on...

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    from $73.49
  • Botanicare Liquid Karma - [hydropros]

    Botanicare Liquid Karma

    Botanicare
    from $20.58

    Liquid karma formulated by a Ph.D. plant physiologist this bio-catalyst plant stimulant has active organic compound not found in regular plant food...

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    from $20.58