Skip to content
Stay Connected - Join our Email Club
Stay Connected - Join our Email Club

Grotek

Filters

  • Original price $13.95 - Original price $13.95
    Original price
    $13.95
    $13.95 - $13.95
    Current price $13.95

    Grotek Blossom Blaster 20g

    HYDROGURU

    Blossom Blaster™ provides available phosphorous to improve root development and aid in blooming and fruiting. Potassium is instrumental in moving s...

    View full details
    Original price $13.95 - Original price $13.95
    Original price
    $13.95
    $13.95 - $13.95
    Current price $13.95
  • Save 9% Save %
    Original price $242.95
    Original price $242.95 - Original price $242.95
    Original price $242.95
    Current price $219.95
    $219.95 - $219.95
    Current price $219.95

    Grotek Blossom Blaster, 500 g

    HYDROGURU

    Blossom Blaster™ provides available phosphorous to improve root development and aid in blooming and fruiting. Potassium is instrumental in moving s...

    View full details
    Original price $242.95
    Original price $242.95 - Original price $242.95
    Original price $242.95
    Current price $219.95
    $219.95 - $219.95
    Current price $219.95
    Save 9% Save %
  • Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95

    Grotek Cal-Max, 1 gal

    HYDROGURU

    During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was developed...

    View full details
    Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95
  • Original price $14.95 - Original price $14.95
    Original price
    $14.95
    $14.95 - $14.95
    Current price $14.95

    Grotek Cal-Max, 1 qt

    HYDROGURU

    During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was developed...

    View full details
    Original price $14.95 - Original price $14.95
    Original price
    $14.95
    $14.95 - $14.95
    Current price $14.95
  • Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95

    GROTEK CAL-MAX, 10 L

    HYDROGURU

    During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was developed...

    View full details
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95
  • Original price $16.95 - Original price $16.95
    Original price
    $16.95
    $16.95 - $16.95
    Current price $16.95

    Grotek Growth Booster 20g

    HYDROGURU

    Formulated to encourage early and vigorous growth,Vegetative Growth Booster™ is an excellent supplement for growing plants. High nitrogen supports ...

    View full details
    Original price $16.95 - Original price $16.95
    Original price
    $16.95
    $16.95 - $16.95
    Current price $16.95
  • Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Grotek Insta-Green 4 Liter

    HYDROGURU

    Restores the Green to Plants InstaGreen is a dark greening solution, scientifically formulated to bring plants back to a lush, dark color and vigo...

    View full details
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • Original price $209.95 - Original price $209.95
    Original price
    $209.95
    $209.95 - $209.95
    Current price $209.95

    Grotek Monster Bloom 2.5 kg

    HYDROGURU

    Monster Bloom is designed to increase the plant's ability to flower. It increases the essential oil content in herbs and speeds up the development ...

    View full details
    Original price $209.95 - Original price $209.95
    Original price
    $209.95
    $209.95 - $209.95
    Current price $209.95
  • Save 19% Save %
    Original price $42.95
    Original price $42.95 - Original price $42.95
    Original price $42.95
    Current price $34.96
    $34.96 - $34.96
    Current price $34.96

    Grotek Monster Bloom 500g

    HYDROGURU

    Monster Bloom (0-50-30) is a special blend of fertilizers designed to build huge blooms and large, luscious fruits. It increases the essential oil ...

    View full details
    Original price $42.95
    Original price $42.95 - Original price $42.95
    Original price $42.95
    Current price $34.96
    $34.96 - $34.96
    Current price $34.96
    Save 19% Save %
  • Save 26% Save %
    Original price $199.95
    Original price $199.95 - Original price $199.95
    Original price $199.95
    Current price $148.00
    $148.00 - $148.00
    Current price $148.00

    Grotek Monster Grow Pro 2.5kg

    HYDROGURU

    Monster Grow™ Pro is a high nitrogen fuel for high performance growing that gives an added boost to your plants while they are in the vegetative st...

    View full details
    Original price $199.95
    Original price $199.95 - Original price $199.95
    Original price $199.95
    Current price $148.00
    $148.00 - $148.00
    Current price $148.00
    Save 26% Save %
  • Original price $8.95 - Original price $8.95
    Original price
    $8.95
    $8.95 - $8.95
    Current price $8.95

    Grotek Monster Grow Pro 20gm

    HYDROGURU

    Monster Grow™ Pro is a high nitrogen fuel for high performance growing that gives an added boost to your plants while they are in the vegetative st...

    View full details
    Original price $8.95 - Original price $8.95
    Original price
    $8.95
    $8.95 - $8.95
    Current price $8.95
  • Save 13% Save %
    Original price $44.95
    Original price $44.95 - Original price $44.95
    Original price $44.95
    Current price $39.00
    $39.00 - $39.00
    Current price $39.00

    Grotek Monster Grow Pro 500gm

    HYDROGURU

    Monster Grow™ Pro is a high nitrogen fuel for high performance growing that gives an added boost to your plants while they are in the vegetative st...

    View full details
    Original price $44.95
    Original price $44.95 - Original price $44.95
    Original price $44.95
    Current price $39.00
    $39.00 - $39.00
    Current price $39.00
    Save 13% Save %
  • Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95

    Grotek Pro Silicate, 4 L

    HYDROGURU

    Pro-Silicate is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correctl...

    View full details
    Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95
  • Original price $14.95 - Original price $14.95
    Original price
    $14.95
    $14.95 - $14.95
    Current price $14.95

    Grotek Pro-Silicate 1 Liter

    HYDROGURU

    Pro-Silicate™ is a nutritional silicate additive containing potassium and silicon. It helps keep the plants upright, positioning the leaves correct...

    View full details
    Original price $14.95 - Original price $14.95
    Original price
    $14.95
    $14.95 - $14.95
    Current price $14.95