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Additives

  • Mammoth P Microbes - HydroPros

    Mammoth P Microbes

    Growcentia
    from $52.16

    Unleash your plant's full growth potential with MAMMOTH P. MAMMOTH P is a university-tested patent-pending microbial bio stimulant that natural...

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    from $52.16
  • 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
  • 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
  • General Hydroponics Armor Si - HydroPros

    General Hydroponics Armor Si

    General Hydroponics
    from $15.88

    Armor Si is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types...

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    from $15.88
  • General Hydroponics Liquid Kool Bloom - HydroPros

    General Hydroponics Liquid Kool Bloom

    General Hydroponics
    from $18.41

    Liquid KoolBloom is a is a bulking agent that goes way beyond other bloom boosters. Enriched with stress reducing vitamins and nutrient transportin...

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    from $18.41
  • 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 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
  • Technaflora MagiCal - HydroPros

    Technaflora MagiCal

    Technaflora
    from $13.64

    MagiCal is a highly enriched formulated blend of magnesium and calcium that promotes vigorous and healthy plant growth for both soil and soilless g...

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    from $13.64
  • 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
  • Xtreme Gardening Azos Beneficial Bacteria - HydroPros

    Xtreme Gardening Azos Beneficial Bacteria

    Xtreme Gardening
    from $14.00

    AZOS is an all-natural, growth promoting, Nitrogen-fixing bacteria ideal for cloning and transplanting. Azos converts nitrogen into a usable form t...

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    from $14.00
  • Nectar for the Gods Herculean Harvest - HydroPros
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    Nectar for the Gods Herculean Harvest

    Nectar for the Gods
    from $8.73

    Hercules was known for his strength and power: a perfect name for a product that gives your plants just that. Herculean Harvest increases the...

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    from $8.73
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  • 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
  • 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
  • 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
  • Botanicare Pure Blend Tea - HydroPros

    Botanicare Pure Blend Tea

    Botanicare
    from $9.94

    Pure Blend Tea combines the key elements of both Pure Blend Original Grow and Bloom into one highly effective formula. Pure Blend Tea is enhanced a...

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    from $9.94
  • Fox Farm Bushdoctor Kangaroots Root Drench - HydroPros

    Fox Farm Bushdoctor Kangaroots Root Drench

    Fox Farm
    from $25.47

    Fox Farm Bushdoctor Kangaroots Root Drench  Product Description Premium Plant Nutrient 0.8-0.1-0.03 A liquid root growth inoculant designed to enc...

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    from $25.47
  • Emerald Harvest Cal-Mag - HydroPros

    Emerald Harvest Cal-Mag

    Emerald Harvest
    from $13.28

    GROW LUSH, GREEN PLANTS. KEEP YOUR PLANTS PRODUCTIVE AND GREEN WITH CAL-MAG, EMERALD HARVEST’S CALCIUM-MAGNESIUM SUPPLEMENT. CAL-MAG HELP...

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    from $13.28
  • Emerald Harvest Emerald Goddess - HydroPros

    Emerald Harvest Emerald Goddess

    Emerald Harvest
    from $28.11

    LOVE YOUR PLANTS. NURTURE YOUR PLANTS WITH EMERALD GODDESS, AN INVIGORATING PREMIUM PLANT TONIC FROM EMERALD HARVEST. WE’VE INCLUDED THE ...

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    from $28.11
  • 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 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
  • 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
  • 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
  • Cyco Nutrients Suga Rush - HydroPros

    Cyco Nutrients Suga Rush

    Cyco Nutrients
    from $20.99

    Cyco Suga Rush (not Sugar Rush) is the newest product in the Cyco line. Cyco Suga Rush infuses soilless gardening systems with vital nutrients plan...

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    from $20.99
  • House and Garden Roots Excelurator Gold - HydroPros

    House and Garden Roots Excelurator Gold

    House and Garden
    from $54.65

    Roots Excelurator is the best and most powerful root stimulator available in today's market, and our top show-piece in the area of ultra-concentrat...

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    from $54.65
  • Cyco Nutrients  Uptake - HydroPros

    Cyco Nutrients Uptake

    Cyco Nutrients
    from $14.00

    Cyco Uptake is a source of humates in the form of Humic acid which is a stage of decomposition of plant matter that contains large carbon based mol...

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    from $14.00
  • General Organics CaMg+ - HydroPros

    General Organics CaMg+

    General Organics
    from $12.86

    CaMg+ helps optimize plant nutrition resulting in enhanced growth and healthier flowers and fruits. CaMg+ is a blend of fermented calcium and magne...

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    from $12.86
  • Green Planet Nutrients PRO-CAL - HydroPros
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    Green Planet Nutrients PRO-CAL

    Green Planet Nutrients
    from $11.98

    Pro-Cal is a highly beneficial calcium, magnesium and iron plant nutrient supplement. This recommended application rate normally is sufficient to m...

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    from $11.98
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  • Cutting Edge Solutions Bulletproof Si - HydroPros

    Cutting Edge Solutions Bulletproof Si

    Cutting Edge Solutions
    from $15.12

    In trace amounts, silicon forms silicon enzyme complexes, which function in metabolic roles in photosynthesis and respiratory processes. It has imp...

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    from $15.12
  • Mills Nutrients C4 - HydroPros

    Mills Nutrients C4

    Mills Nutrients
    from $63.32

    C4 is a sophisticated blend of macro nutrients, micro nutrients, bio-stimulants, carbohydrates, and trace minerals guaranteed to give the grower he...

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    from $63.32
  • Mills Nutrients Start-R - HydroPros

    Mills Nutrients Start-R

    Mills Nutrients
    from $53.32

    START-R is a complex bio-stimulant nutrient additive for use during the seedling, growth and early bloom phases of all plants. START-R contains a h...

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    from $53.32
  • 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
  • Nectar for the Gods Demeter's Destiny - HydroPros

    Nectar for the Gods Demeter's Destiny

    Nectar for the Gods
    from $14.10

    Many production problems originate with too much nitrogen and potassium and not enough available calcium and phosphate. Calcium is the "queen...

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    from $14.10
  • Nectar for the Gods Triton's Trawl - HydroPros

    Nectar for the Gods Triton's Trawl

    Nectar for the Gods
    from $10.24

    For those gardeners who want the benefit of a liquid bonemeal but have issues with the farming practices of livestock, here is an alternative...

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    from $10.24
  • Nectar for the Gods Bloom Khaos - HydroPros

    Nectar for the Gods Bloom Khaos

    Nectar for the Gods
    from $21.99

    Bloom Khaos is Nectar for the Gods' patent pending secret weapon for flower production and alleviating hidden hunger. When using Bloom Khaos ...

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    from $21.99
  • SuperThrive Dyna-ZYME - HydroPros
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    SuperThrive Dyna-ZYME

    Superthrive
    from $36.00

    SUPERthrive ZYME is a one part blend of proprietary enzymes. ZYME is designed to cleanse your plants roots, soil, media and hydroponic syste...

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    from $36.00
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  • General Hydroponics FloraLicious Plus - HydroPros

    General Hydroponics FloraLicious Plus

    General Hydroponics
    from $44.14

    Floralicious Plus is a super concentrated blend of bioactive plant, marine, microbial, and mineral extracts. It is a one part organic nutrient addi...

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    from $44.14