Showing all 39 results

Nutrient Additives

Want to get your indoor garden off to a great start? Have a need for a particular plant supplement to address a certain problem? We carry an array of nutrient additives that are perfect for plants at any stage of their growth cycle, as well as specific formulas for treating deficiencies and other special situations.

  • FaSilitor

    FaSilitor (0-0-0.6)

    This heavyweight in the Aptus lineup is ultra-concentrated and gets results — now!

    $144.00
  • Algen Extract 1

    Algen Extract

    Made in small batches, ensuring the freshest product available. House & Garden Algen Extract (0.2-0-0.7) is a premium blend of ...

    $35.95 $29.75
  • Soul Synthetics Amino Aide 1

    Amino Aide

    A complex amino acid blend formulated to increase plant vigor and yields.

    $49.95 $37.50
  • Amino Treatment 1

    Amino Treatment

    Amino acids help produce lush, green crops with improved plant vigor and overall yields.

    $71.95 $64.80
  • B-52 Fertilizer Booster 1

    B-52 Fertilizer Booster

    Gives plants a super boost of energy! Advanced Nutrients B-52 (2-1-4) provides the widest range of immediately available vitamins so ...

    $49.25 $34.95
  • B'Cuzz Growth Stimulator

    B’Cuzz Growth

    Plants progress through many stages of development, from a single cell into …

    $46.95 $37.95
  • CalCarb Foliar Nutrient

    Cal Carb

    Calcium (Ca) is proven to strengthen cell walls in ALL plants and leads to …

    $49.95 $37.95
  • Cal-Mag Plus

    Cal-Mag Plus

    A highly beneficial bio-catalyst for plants. Botanicare Cal-Mag Plus (2-0-0) is a custom plant supplement designed to correct the inherent ...

    $15.50
  • Cal-Max 1

    Cal-Max

    Enjoy the fruits (and vegetables) of your labor! Grotek Cal-Max (2-0-0) can be used on all plants to provide added ...

    $11.50 $9.95
  • CaMg+ 1

    CaMg+

    Calcium Magnesium. CaMg+ helps optimize plant nutrition resulting in …

    $14.95
  • Dark Energy Nutrient

    Dark Energy Plant Nutrient

    It Stinx - But It Rocks! American Hydroponics Dark Energy is an exciting new nutrient additive that will significantly reduce ...

    $25.50
  • Ecozen

    Ecozen (0.05-0-0.02)

    Use to clean root surfaces and flush out dead organic matter, optimizing uptake …

    $42.00
  • Green Stay 1

    Green Stay

    Maintains healthy lower leaves needed to fuel the production of heavy fruit load.

    $39.95 $34.50
  • GreenFuse Growth Stimulator 1

    GreenFuse Growth

    Packaged in a unique aluminum bottle that is vacuum sealed to assure potency.

    $49.50 $34.50
  • Hydroguard Root Inoculant

    Hydroguard

    A bacterial root inoculant and water treatment that helps suppress and resist …

    $31.00 $25.95
  • Soul Synthetics Infinity 1

    Infinity

    Formulated to increase vigor and prevent certain micronutrient deficiencies common …

    $28.95 $20.95
  • Liquid Karma

    Liquid Karma

    Plant Growth Stimulant. Botanicare Liquid Karma contains a full complement of metabolically active organic compounds not found in regular plant ...

    $22.95
  • LXR Gold (4-Liter) 1

    LXR Gold

    An organic bio-catalyst that aids in nutrient availability and the transport of …

    $50.50 $43.95
  • Mag Amped 1

    Mag Amped

    Cutting Edge Solutions Mag Amped is a pure magnesium chelate, which is easily assimilated by plants. Magnesium is the primary ...

    $26.50 $18.50
  • MagiCal 1

    MagiCal

    A superior supply of magnesium, calcium & iron. Technaflora MagiCal (2-0-0) promotes healthy plant growth and when used with your ...

    $14.50
  • MassBoost

    MassBoost (5-0-0)

    Provides the calcium and magnesium that fruiting and flowering plants need.

    $50.00
  • MM 2000 1

    MM 2000

    A stress relieving supplement designed to promote better plant growth.

    $15.95 $14.50
  • Multi Zen 1

    Multi Zen

    Get off to a good start! House & Garden Muti Zen (0.2-0-0.7) has been formulated specifically to ensure your crop ...

    $41.95 $37.75
  • Pro Silicate 1

    Pro Silicate

    Potassium is an essential element to forming plant structure. Grotek Pro-Silicate is a potassium silicate solution which can provide potassium ...

    $11.50 $9.50
  • Pro-TeKt 1

    Pro-TeKt

    The Silicon Solution. Dyna-Gro Pro-TeKt (0-0-3) supplies high levels of potassium and silicon to help plants build stronger cell walls. ...

    $5.95
  • Age Old Promote 1

    Promote (4-0-1)

    A proprietary blend of trace mineral, humates, seaweed extract and wetting agents, Age Old Promote breaks the chemical bonding of ...

    $12.95
  • Pure Blend Tea 1

    Pure Blend Tea

    Organic Based Plant Booster. Botanicare Pure Blend Tea (0.5-0.5-1.0) brews select ingredients with beneficial humic acids to release each element's ...

    $10.95
  • Purple Maxx

    Purple Maxx

    100% Organic. Purple Maxx Snow Storm has been in development for over two years under the name of STACKER. Humboldt ...

    $27.50
  • Revive Crop Protection 1

    Revive

    The perfect crop repair formula for times when your plants are suffering.

    $39.40 $27.95
  • Rhino Skin (Potassium Silicate) 1

    Rhino Skin (Potassium Silicate)

    Protect your plants WITHOUT using poisons or pesticides! Advanced Nutrients Rhino Skin provides additional silica to strengthen your plant's stems, ...

    $20.40 $14.50
  • Roots Organics Elemental 1

    Roots Organics Elemental

    Designed to address calcium and magnesium deficiencies in fast growing plants.

    $23.95 $17.95
  • Silica Blast

    Silica Blast

    Strengthens plant tissue to help them flourish in adverse environmental …

    $12.95
  • Snow Storm Ultra 1

    Snow Storm Ultra

    If you like Purple Maxx you're gonna' love Humboldt County's Own Snow Storm Ultra (0-0-3). Contains potassium to increase essential ...

    $11.95
  • SuperNova Plant Nutrient 1

    SuperNova Plant Nutrient

    Push your plants to their potential! American Hydroponics SuperNova (1-1-1) is a unique blend of seaweed extract (Ascophyllum nodosum), specialized ...

    $24.95 $22.50
  • SUPERthrive - Vitamins & Hormones 1

    SUPERthrive

    Used by growers for decades… Why? Because it helps everything grow better!

    $11.95
  • Thrive Alive B-1 (Red) 1

    Thrive Alive Red (1-1-1)

    Contains vitamins and nutrients, which are cultured in British Columbian sea …

    $26.95
  • Roots Organics Trinity 1

    Trinity

    Specially designed for maximum effect as a plant and rhizosphere catalyst.

    $26.95 $19.95
  • VitaMax Plus 1

    VitaMax Plus

    Grotek VitaMax Plus (1-1-2) is specially formulated to improve plant growth and encourage larger blooms, fruits and flowers. It contains ...

    $18.95 $16.95
  • Vitamino Vitamin Supplement

    Vitamino

    Use in hydroponic, coir or soil applications where CO2 and other performance …

    $23.95
  • How to Grow Herbs