Skip to content
*Shipping & Return Policy*
*Shipping & Return Policy*

Additives

  • Emerald Goddess - HydroPros.com

    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 ...

    View full details
    from $28.11
  • Fish Sh!t Organic Soil Conditioner - HydroPros.com

    Fish Sh!t Organic Soil Conditioner

    Fish Head Farms
    from $14.57

    Fish Sh!t is derived from feeding tilapia a proprietary mix of feed that when digested lends itself nicely to bacteria and microorganism production...

    View full details
    from $14.57
  • Fox Farm Big Bloom Liquid Concentrate - HydroPros.com

    Fox Farm Big Bloom Liquid Concentrate

    Fox Farm
    from $15.00

    Fox Farm Big Bloom 1 Pint Organic Nutrients Hydroponics Product Description Premium Plant Nutrient 0.01-0.3-0.7 100 percent natural and organic bio...

    View full details
    from $15.00
  • Fox Farm Bushdoctor Kelp Me Kelp You - HydroPros.com

    Fox Farm Bushdoctor Kelp Me Kelp You

    Fox Farm
    from $20.55

    Kelp Me Kelp You is a natural, organic seaweed extract derived from Norwegian kelp, Ascophyllum nodosum. FoxFarm's product is a liquid concentrate ...

    View full details
    from $20.55
  • Fox Farm Ocean Forest Potting Soil - HydroPros.com
    Sold out

    Fox Farm Ocean Forest Potting Soil

    Fox Farm
    $15.58

    Ocean Forest® Potting Soil brings Good Things From the Earth and Sea! It’s the ultimate potting soil—everything your plants need, in one bag. Ocean...

    View full details
    $15.58
    Sold out
  • FoxFarm Happy Frog Citrus & Avocado 4 LB - HydroPros.com
    Sold out

    FoxFarm Happy Frog Citrus & Avocado 4 LB

    Fox Farm
    $11.99

    Happy Frog® Citrus & Avocado Fertilizer 7-3-3 Specially formulated for Citrus and Avocado trees Provides slow-release nitrogen for vegetative ...

    View full details
    $11.99
    Sold out
  • Armor Si - HydroPros.com

    General Hydroponics Armor Si

    General Hydroponics
    from $11.82

    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...

    View full details
    from $11.82
  • CaliMagic - HydroPros.com

    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...

    View full details
    from $13.48
  • General Hydroponics Liquid Kool Bloom - HydroPros.com

    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...

    View full details
    from $18.41
  • General Organics BioBud - HydroPros.com

    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...

    View full details
    from $29.86
  • General Organics BioMarine - HydroPros.com
    Sold out

    General Organics BioMarine

    General Organics
    from $12.06

    BioMarine is an enzamatically digested fish protein that naturally enhances soil and boosts plant growth. This fish-based fertilizer encourages ben...

    View full details
    from $12.06
    Sold out
  • General Organics BioRoot - HydroPros.com

    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...

    View full details
    from $13.94
  • General Organics CaMg+ - HydroPros.com

    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...

    View full details
    from $12.86
  • General Organics Diamond Black - HydroPros.com
    Sold out

    General Organics Diamond Black

    General Organics
    from $12.06

    Diamond Black is derived from 100% pure Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Diamond Black contains a...

    View full details
    from $12.06
    Sold out
  • Green Planet Nutrients Massive - HydroPros.com

    Green Planet Nutrients Massive

    Green Planet Nutrients
    from $20.50

    Massive is a unique blend of vitamins, minerals and growth stimulants. It is a high performance flowering additive with organic components derived ...

    View full details
    from $20.50
  • 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...

    View full details
    from $11.98
  • GreenGro Earthshine - HydroPros.com

    GreenGro Earthshine

    Green Gro
    from $18.12

    The Earthshine Biochar blend is a fast and easy way to boost the performance of new soil, reuse your old soil, and improve the effectiveness of com...

    View full details
    from $18.12
  • GreenGro Granular Plus Myco Blend - HydroPros.com

    GreenGro Granular Plus Myco Blend

    Green Gro
    from $15.93

    GreenGro™ Granular Plus is a microbe-rich product that has the highest concentration of beneficial ingredients on the market. GreenGro™ Granular Pl...

    View full details
    from $15.93
  • GreenGro Nature's Brix - HydroPros.com

    GreenGro Nature's Brix

    Green Gro
    from $16.49

    Nature’s Brix 0-0-2 is a premium blend of carbohydrate, simple sugar, rock dust, and other quality ingredients. It is intended to help increase Bri...

    View full details
    from $16.49
  • Save 22%

    GreenGro Nature's Mycorrhizae Ultrafine 8oz

    GreenGro
    Original price $35.95
    Current price $27.99

    Green Gro Ultrafine Mycorrhizae All-in-One (0.46-0.34-1.92), 8 oz GreenGro Ultrafine is a soluble blend of mycorrhizae, beneficial bacteria, kelp ...

    View full details
    Original price $35.95
    Current price $27.99
    Save 22%
  • GreenGro Pride Lands Bloom-HydroPros.com

    GreenGro Pride Lands Bloom

    Green Gro
    from $26.33

    Pride Lands Bloom/Flower 2-5.5-5.5 combines turn of the century dry amendment farming techniques, Native American agriculture, and progressive micr...

    View full details
    from $26.33
  • GreenGro Pride Lands Veg-HydroPros.com

    GreenGro Pride Lands Veg

    Green Gro
    from $26.39

    Pride Lands Veg 6-3-3.5 is a premium blend of dry amendments, microbes, biochar, and mycorrhiza. Building on our commitment to utilizing the turn o...

    View full details
    from $26.39
  • GreenGro Ultrafine Myco Blend - HydroPros.com

    GreenGro Ultrafine Myco Blend

    Green Gro
    from $14.99

    GreenGro™ Ultrafine is a soluble blend of Mycorrhizae, beneficial bacteria, kelp and humic. This is a highly effective and easy-to-use all-in-one p...

    View full details
    from $14.99
  • Heavy 16 Finish - HydroPros.com

    Heavy 16 Finish

    Heavy 16
    from $22.04

    Heavy Finish is a highly effective all-natural bio-regulator that transforms the molecular structure of water, making it exponentially more active...

    View full details
    from $22.04