Welcome to Grotek

A Hydrofarm exclusive brand

Grotek has been providing growers with quality science and exceptional results for over 20 years. Our high-performance products have earned the trust of both hobby and commercial growers worldwide. Grotek has been an industry pioneer, combining key organic extracts with mineral fertilizers, giving growers the opportunity to vastly improving harvest quality.

Grotek
Grotek

Soil Building

Professional growing mediums for potted plants.

Grow Additives

Designed to provide the nutrients required to grow a lush canopy full of potential.

Bloom Additives

Meant for use during the mid to late stages of floral development when plants focus on flower density and fruit quality.

Base Nutrients

Complete nutrient formulations suitable for soilless and water culture production systems.

Organics

Beneficial biology for your grow.

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Grotek Monster Grow Pro, 500 g
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 500 g
SKU:
GTMG6030
SRP: $45.99
Grotek Monster Grow Pro, 20 g
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 20 g
SKU:
GTMG6010
SRP: $7.48
Grotek Monster Grow Pro, 130 g
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 130 g
SKU:
GTMG6020
SRP: $13.15
Grotek Monster Grow Pro, 2.5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 2.5 kg
SKU:
GTMG6040
SRP: $211.99
Grotek Monster Grow Pro, 5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 5 kg
SKU:
GTMG6050
SRP: $368.99
Grotek Monster Grow Pro, 10 kg
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 10 kg
SKU:
GTMG6060
SRP: $692.99
Grotek Monster Grow Pro
Grotek Monster Grow Pro, 500 g
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 500 g
SKU:
GTMG6030
SRP: $45.99
Grotek Monster Grow Pro, 20 g
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 20 g
SKU:
GTMG6010
SRP: $7.48
Grotek Monster Grow Pro, 130 g
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 130 g
SKU:
GTMG6020
SRP: $13.15
Grotek Monster Grow Pro, 2.5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 2.5 kg
SKU:
GTMG6040
SRP: $211.99
Grotek Monster Grow Pro, 5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 5 kg
SKU:
GTMG6050
SRP: $368.99
Grotek Monster Grow Pro, 10 kg
Hydrofarm Brand:
Grotek
Grotek Monster Grow Pro, 10 kg
SKU:
GTMG6060
SRP: $692.99
Grotek Monster Bloom, 130 g
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 130 g
SKU:
GTMB6020
SRP: $13.99
Grotek Monster Bloom, 20 g
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 20 g
SKU:
GTMB6010
SRP: $7.48
Grotek Monster Bloom, 500 g
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 500 g
SKU:
GTMB6030
SRP: $45.99
Grotek Monster Bloom, 2.5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 2.5 kg
SKU:
GTMB6040
SRP: $211.99
Grotek Monster Bloom, 5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 5 kg
SKU:
GTMB6050
SRP: $397.99
Grotek Monster Bloom, 10 kg
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 10 kg
SKU:
GTMB6060
SRP: $747.99
Grotek Monster Bloom Pro
Grotek Monster Bloom, 130 g
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 130 g
SKU:
GTMB6020
SRP: $13.99
Grotek Monster Bloom, 20 g
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 20 g
SKU:
GTMB6010
SRP: $7.48
Grotek Monster Bloom, 500 g
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 500 g
SKU:
GTMB6030
SRP: $45.99
Grotek Monster Bloom, 2.5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 2.5 kg
SKU:
GTMB6040
SRP: $211.99
Grotek Monster Bloom, 5 kg
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 5 kg
SKU:
GTMB6050
SRP: $397.99
Grotek Monster Bloom, 10 kg
Hydrofarm Brand:
Grotek
Grotek Monster Bloom, 10 kg
SKU:
GTMB6060
SRP: $747.99
Grotek Blossom Blaster, 20 g
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 20 g
SKU:
GTBB20
SRP: $12.99
Grotek Blossom Blaster, 130 g
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 130 g
SKU:
GTBB130G
SRP: $70.66
Grotek Blossom Blaster, 2.5 kg
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 2.5 kg
SKU:
GTBB25G
SRP: $895.99
Grotek Blossom Blaster, 500 g
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 500 g
SKU:
GTBB500G
SRP: $256.99
Grotek Blossom Blaster
Grotek Blossom Blaster, 20 g
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 20 g
SKU:
GTBB20
SRP: $12.99
Grotek Blossom Blaster, 130 g
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 130 g
SKU:
GTBB130G
SRP: $70.66
Grotek Blossom Blaster, 2.5 kg
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 2.5 kg
SKU:
GTBB25G
SRP: $895.99
Grotek Blossom Blaster, 500 g
Hydrofarm Brand:
Grotek
Grotek Blossom Blaster, 500 g
SKU:
GTBB500G
SRP: $256.99
Grotek Pro-Silicate, 1 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 1 L
SKU:
GTPROS1L
SRP: $15.71
Grotek Pro-Silicate, 10 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 10 L
SKU:
GTPROS10L
SRP: $115.99
Grotek Pro-Silicate, 23 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 23 L
SKU:
GTPROS23L
SRP: $226.99
Grotek Pro-Silicate, 4 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 4 L
SKU:
GTPROS4L
SRP: $46.99
Grotek Pro Silicate
Grotek Pro-Silicate, 1 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 1 L
SKU:
GTPROS1L
SRP: $15.71
Grotek Pro-Silicate, 10 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 10 L
SKU:
GTPROS10L
SRP: $115.99
Grotek Pro-Silicate, 23 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 23 L
SKU:
GTPROS23L
SRP: $226.99
Grotek Pro-Silicate, 4 L
Hydrofarm Brand:
Grotek
Grotek Pro-Silicate, 4 L
SKU:
GTPROS4L
SRP: $46.99
Grotek Cal-Max, 1 gal
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 1 gal
SKU:
GTCLMXGAL
SRP: $45.33
Grotek Cal-Max, 23 L
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 23 L
SKU:
GTCLMX23L
SRP: $198.22
Grotek Cal-Max, 1 qt
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 1 qt
SKU:
GTCLMXQT
SRP: $13.96
Grotek Cal-Max, 10 L
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 10 L
SKU:
GTCM10L
SRP: $116.99
Grotek Cal Max
Grotek Cal-Max, 1 gal
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 1 gal
SKU:
GTCLMXGAL
SRP: $45.33
Grotek Cal-Max, 23 L
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 23 L
SKU:
GTCLMX23L
SRP: $198.22
Grotek Cal-Max, 1 qt
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 1 qt
SKU:
GTCLMXQT
SRP: $13.96
Grotek Cal-Max, 10 L
Hydrofarm Brand:
Grotek
Grotek Cal-Max, 10 L
SKU:
GTCM10L
SRP: $116.99
Grotek Vitamax Plus, 1 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 1 L
SKU:
GTVMP6010
SRP: $24.99
Grotek Vitamax Plus, 4 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 4 L
SKU:
GTVMP6020
SRP: $88.99
Grotek Vitamax Plus, 10 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 10 L
SKU:
GTVMP6030
SRP: $166.99
Grotek Vitamax Plus, 23 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 23 L
SKU:
GTVMP6040
SRP: $399.99
Grotek Vitamax Plus
Grotek Vitamax Plus, 1 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 1 L
SKU:
GTVMP6010
SRP: $24.99
Grotek Vitamax Plus, 4 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 4 L
SKU:
GTVMP6020
SRP: $88.99
Grotek Vitamax Plus, 10 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 10 L
SKU:
GTVMP6030
SRP: $166.99
Grotek Vitamax Plus, 23 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Plus, 23 L
SKU:
GTVMP6040
SRP: $399.99
Grotek Synergy, 400 grams
Hydrofarm Brand:
Grotek
Grotek Synergy, 400 grams
SKU:
GTS6640
SRP: $135.99
Grotek Synergy, 140 grams
Hydrofarm Brand:
Grotek
Grotek Synergy, 140 grams
SKU:
GTS6630
SRP: $54.99
Grotek Synergy, 800 grams
Hydrofarm Brand:
Grotek
Grotek Synergy, 800 grams
SKU:
GTS6650
SRP: $201.99
Grotek Green Line Synergy
Grotek Synergy, 400 grams
Hydrofarm Brand:
Grotek
Grotek Synergy, 400 grams
SKU:
GTS6640
SRP: $135.99
Grotek Synergy, 140 grams
Hydrofarm Brand:
Grotek
Grotek Synergy, 140 grams
SKU:
GTS6630
SRP: $54.99
Grotek Synergy, 800 grams
Hydrofarm Brand:
Grotek
Grotek Synergy, 800 grams
SKU:
GTS6650
SRP: $201.99
Grotek Vitamax Pro, 1 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 1 L
SKU:
GTVMPRO1L
SRP: $31.02
Grotek Vitamax Pro, 10 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 10 L
SKU:
GTVMPRO10L
SRP: $224.36
Grotek Vitamax Pro, 23 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 23 L
SKU:
GTVMPRO23L
SRP: $430.99
Grotek Vitamax Pro, 4 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 4 L
SKU:
GTVMPRO4L
SRP: $105.46
Grotek Vitamax Pro
Grotek Vitamax Pro, 1 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 1 L
SKU:
GTVMPRO1L
SRP: $31.02
Grotek Vitamax Pro, 10 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 10 L
SKU:
GTVMPRO10L
SRP: $224.36
Grotek Vitamax Pro, 23 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 23 L
SKU:
GTVMPRO23L
SRP: $430.99
Grotek Vitamax Pro, 4 L
Hydrofarm Brand:
Grotek
Grotek Vitamax Pro, 4 L
SKU:
GTVMPRO4L
SRP: $105.46
Grotek Bud Fuel Pro, 1 L
Hydrofarm Brand:
Grotek
Grotek Bud Fuel Pro, 1 L
SKU:
GTBDF1L
SRP: $36.26
Grotek Bud Fuel Pro, 4 L
Hydrofarm Brand:
Grotek
Grotek Bud Fuel Pro, 4 L
SKU:
GTBDF4L
SRP: $98.25
Grotek Bud Fuel Pro
Grotek Bud Fuel Pro, 1 L
Hydrofarm Brand:
Grotek
Grotek Bud Fuel Pro, 1 L
SKU:
GTBDF1L
SRP: $36.26
Grotek Bud Fuel Pro, 4 L
Hydrofarm Brand:
Grotek
Grotek Bud Fuel Pro, 4 L
SKU:
GTBDF4L
SRP: $98.25
Grotek Precision Bloom, 1 L
Hydrofarm Brand:
Grotek
Grotek Precision Bloom, 1 L
SKU:
GT0006807
SRP: $8.99
Grotek Precision Bloom, 4 L
Hydrofarm Brand:
Grotek
Grotek Precision Bloom, 4 L
SKU:
GT0006808
SRP: $21.99
Grotek Precision Bloom, 10 L
Hydrofarm Brand:
Grotek
Grotek Precision Bloom, 10 L
SKU:
GT0006809
SRP: $48.99
Grotek Precision Bloom
Grotek Precision Bloom, 1 L
Hydrofarm Brand:
Grotek
Grotek Precision Bloom, 1 L
SKU:
GT0006807
SRP: $8.99
Grotek Precision Bloom, 4 L
Hydrofarm Brand:
Grotek
Grotek Precision Bloom, 4 L
SKU:
GT0006808
SRP: $21.99
Grotek Precision Bloom, 10 L
Hydrofarm Brand:
Grotek
Grotek Precision Bloom, 10 L
SKU:
GT0006809
SRP: $48.99
Grotek Blossom Blaster Pro Liquid
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