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 Vegetative Growth Booster, 300 g
Hydrofarm Brand:
Grotek Vegetative Growth Booster, 300 g
SKU: GTGB300
SRP: $165.99
Grotek Vegetative Growth Booster, 20 g
Hydrofarm Brand:
Grotek Vegetative Growth Booster, 20 g
SKU: GTGB20G
SRP: $15.77
Grotek Growth Booster
Grotek Vegetative Growth Booster, 300 g
Hydrofarm Brand:
Grotek Vegetative Growth Booster, 300 g
SKU: GTGB300
SRP: $165.99
Grotek Vegetative Growth Booster, 20 g
Hydrofarm Brand:
Grotek Vegetative Growth Booster, 20 g
SKU: GTGB20G
SRP: $15.77
Grotek Monster Grow Pro, 500 g
Hydrofarm Brand:
Grotek Monster Grow Pro, 500 g
SKU: GTMG6030
SRP: $45.99
Grotek Monster Grow Pro, 20 g
Hydrofarm Brand:
Grotek Monster Grow Pro, 20 g
SKU: GTMG6010
SRP: $7.48
Grotek Monster Grow Pro, 130 g
Hydrofarm Brand:
Grotek Monster Grow Pro, 130 g
SKU: GTMG6020
SRP: $13.15
Grotek Monster Grow Pro, 2.5 kg
Hydrofarm Brand:
Grotek Monster Grow Pro, 2.5 kg
SKU: GTMG6040
SRP: $211.99
Grotek Monster Grow Pro, 5 kg
Hydrofarm Brand:
Grotek Monster Grow Pro, 5 kg
SKU: GTMG6050
SRP: $368.99
Grotek Monster Grow Pro, 10 kg
Hydrofarm Brand:
Grotek Monster Grow Pro, 10 kg
SKU: GTMG6060
SRP: $692.99
Grotek Monster Grow Pro
Grotek Monster Grow Pro, 500 g
Hydrofarm Brand:
Grotek Monster Grow Pro, 500 g
SKU: GTMG6030
SRP: $45.99
Grotek Monster Grow Pro, 20 g
Hydrofarm Brand:
Grotek Monster Grow Pro, 20 g
SKU: GTMG6010
SRP: $7.48
Grotek Monster Grow Pro, 130 g
Hydrofarm Brand:
Grotek Monster Grow Pro, 130 g
SKU: GTMG6020
SRP: $13.15
Grotek Monster Grow Pro, 2.5 kg
Hydrofarm Brand:
Grotek Monster Grow Pro, 2.5 kg
SKU: GTMG6040
SRP: $211.99
Grotek Monster Grow Pro, 5 kg
Hydrofarm Brand:
Grotek Monster Grow Pro, 5 kg
SKU: GTMG6050
SRP: $368.99
Grotek Monster Grow Pro, 10 kg
Hydrofarm Brand:
Grotek Monster Grow Pro, 10 kg
SKU: GTMG6060
SRP: $692.99
Grotek Monster Bloom, 130 g
Hydrofarm Brand:
Grotek Monster Bloom, 130 g
SKU: GTMB6020
SRP: $13.99
Grotek Monster Bloom, 20 g
Hydrofarm Brand:
Grotek Monster Bloom, 20 g
SKU: GTMB6010
SRP: $7.48
Grotek Monster Bloom, 500 g
Hydrofarm Brand:
Grotek Monster Bloom, 500 g
SKU: GTMB6030
SRP: $45.99
Grotek Monster Bloom, 2.5 kg
Hydrofarm Brand:
Grotek Monster Bloom, 2.5 kg
SKU: GTMB6040
SRP: $211.99
Grotek Monster Bloom, 5 kg
Hydrofarm Brand:
Grotek Monster Bloom, 5 kg
SKU: GTMB6050
SRP: $397.99
Grotek Monster Bloom, 10 kg
Hydrofarm Brand:
Grotek Monster Bloom, 10 kg
SKU: GTMB6060
SRP: $747.99
Grotek Monster Bloom Pro
Grotek Monster Bloom, 130 g
Hydrofarm Brand:
Grotek Monster Bloom, 130 g
SKU: GTMB6020
SRP: $13.99
Grotek Monster Bloom, 20 g
Hydrofarm Brand:
Grotek Monster Bloom, 20 g
SKU: GTMB6010
SRP: $7.48
Grotek Monster Bloom, 500 g
Hydrofarm Brand:
Grotek Monster Bloom, 500 g
SKU: GTMB6030
SRP: $45.99
Grotek Monster Bloom, 2.5 kg
Hydrofarm Brand:
Grotek Monster Bloom, 2.5 kg
SKU: GTMB6040
SRP: $211.99
Grotek Monster Bloom, 5 kg
Hydrofarm Brand:
Grotek Monster Bloom, 5 kg
SKU: GTMB6050
SRP: $397.99
Grotek Monster Bloom, 10 kg
Hydrofarm Brand:
Grotek Monster Bloom, 10 kg
SKU: GTMB6060
SRP: $747.99
Grotek Blossom Blaster, 20 g
Hydrofarm Brand:
Grotek Blossom Blaster, 20 g
SKU: GTBB20
SRP: $12.99
Grotek Blossom Blaster, 130 g
Hydrofarm Brand:
Grotek Blossom Blaster, 130 g
SKU: GTBB130G
SRP: $70.66
Grotek Blossom Blaster, 2.5 kg
Hydrofarm Brand:
Grotek Blossom Blaster, 2.5 kg
SKU: GTBB25G
SRP: $895.99
Grotek Blossom Blaster, 500 g
Hydrofarm Brand:
Grotek Blossom Blaster, 500 g
SKU: GTBB500G
SRP: $256.99
Grotek Blossom Blaster
Grotek Blossom Blaster, 20 g
Hydrofarm Brand:
Grotek Blossom Blaster, 20 g
SKU: GTBB20
SRP: $12.99
Grotek Blossom Blaster, 130 g
Hydrofarm Brand:
Grotek Blossom Blaster, 130 g
SKU: GTBB130G
SRP: $70.66
Grotek Blossom Blaster, 2.5 kg
Hydrofarm Brand:
Grotek Blossom Blaster, 2.5 kg
SKU: GTBB25G
SRP: $895.99
Grotek Blossom Blaster, 500 g
Hydrofarm Brand:
Grotek Blossom Blaster, 500 g
SKU: GTBB500G
SRP: $256.99
Grotek Pro Silicate, 1 L
Hydrofarm Brand:
Grotek Pro Silicate, 1 L
SKU: GTPROS1L
SRP: $15.71
Grotek Pro Silicate, 10 L
Hydrofarm Brand:
Grotek Pro Silicate, 10 L
SKU: GTPROS10L
SRP: $115.99
Grotek Pro Silicate, 23 L
Hydrofarm Brand:
Grotek Pro Silicate, 23 L
SKU: GTPROS23L
SRP: $226.99
Grotek Pro Silicate, 4 L
Hydrofarm Brand:
Grotek Pro Silicate, 4 L
SKU: GTPROS4L
SRP: $46.99
Grotek Pro Silicate
Grotek Pro Silicate, 1 L
Hydrofarm Brand:
Grotek Pro Silicate, 1 L
SKU: GTPROS1L
SRP: $15.71
Grotek Pro Silicate, 10 L
Hydrofarm Brand:
Grotek Pro Silicate, 10 L
SKU: GTPROS10L
SRP: $115.99
Grotek Pro Silicate, 23 L
Hydrofarm Brand:
Grotek Pro Silicate, 23 L
SKU: GTPROS23L
SRP: $226.99
Grotek Pro Silicate, 4 L
Hydrofarm Brand:
Grotek Pro Silicate, 4 L
SKU: GTPROS4L
SRP: $46.99
Grotek Cal-Max, 1 gal
Hydrofarm Brand:
Grotek Cal-Max, 1 gal
SKU: GTCLMXGAL
SRP: $45.33
Grotek Cal-Max, 1 qt
Hydrofarm Brand:
Grotek Cal-Max, 1 qt
SKU: GTCLMXQT
SRP: $13.96
Grotek Cal-Max, 10 L
Hydrofarm Brand:
Grotek Cal-Max, 10 L
SKU: GTCM10L
SRP: $116.99
Grotek Cal Max
Grotek Cal-Max, 1 gal
Hydrofarm Brand:
Grotek Cal-Max, 1 gal
SKU: GTCLMXGAL
SRP: $45.33
Grotek Cal-Max, 1 qt
Hydrofarm Brand:
Grotek Cal-Max, 1 qt
SKU: GTCLMXQT
SRP: $13.96
Grotek Cal-Max, 10 L
Hydrofarm Brand:
Grotek Cal-Max, 10 L
SKU: GTCM10L
SRP: $116.99
Grotek Vitamax Plus, 1 L
Hydrofarm Brand:
Grotek Vitamax Plus, 1 L
SKU: GTVMP6010
SRP: $24.99
Grotek Vitamax Plus, 4 L
Hydrofarm Brand:
Grotek Vitamax Plus, 4 L
SKU: GTVMP6020
SRP: $88.99
Grotek Vitamax Plus, 10 L
Hydrofarm Brand:
Grotek Vitamax Plus, 10 L
SKU: GTVMP6030
SRP: $166.99
Grotek Vitamax Plus, 23 L
Hydrofarm Brand:
Grotek Vitamax Plus, 23 L
SKU: GTVMP6040
SRP: $399.99
Grotek Vitamax Plus
Grotek Vitamax Plus, 1 L
Hydrofarm Brand:
Grotek Vitamax Plus, 1 L
SKU: GTVMP6010
SRP: $24.99
Grotek Vitamax Plus, 4 L
Hydrofarm Brand:
Grotek Vitamax Plus, 4 L
SKU: GTVMP6020
SRP: $88.99
Grotek Vitamax Plus, 10 L
Hydrofarm Brand:
Grotek Vitamax Plus, 10 L
SKU: GTVMP6030
SRP: $166.99
Grotek Vitamax Plus, 23 L
Hydrofarm Brand:
Grotek Vitamax Plus, 23 L
SKU: GTVMP6040
SRP: $399.99
Grotek Green Line Synergy, 400 grams
Hydrofarm Brand:
Grotek Green Line Synergy, 400 grams
SKU: GTS6640
SRP: $135.99
Grotek Green Line Synergy, 140 grams
Hydrofarm Brand:
Grotek Green Line Synergy, 140 grams
SKU: GTS6630
SRP: $54.99
Grotek Green Line Synergy, 800 grams
Hydrofarm Brand:
Grotek Green Line Synergy, 800 grams
SKU: GTS6650
SRP: $201.99
Grotek Green Line Synergy
Grotek Green Line Synergy, 400 grams
Hydrofarm Brand:
Grotek Green Line Synergy, 400 grams
SKU: GTS6640
SRP: $135.99
Grotek Green Line Synergy, 140 grams
Hydrofarm Brand:
Grotek Green Line Synergy, 140 grams
SKU: GTS6630
SRP: $54.99
Grotek Green Line Synergy, 800 grams
Hydrofarm Brand:
Grotek Green Line Synergy, 800 grams
SKU: GTS6650
SRP: $201.99
Grotek Precision Micro, 1 L
Hydrofarm Brand:
Grotek Precision Micro, 1 L
SKU: GT0006817
SRP: $10.99
Grotek Precision Micro, 500 ml
Hydrofarm Brand:
Grotek Precision Micro, 500 ml
SKU: GT0006816
SRP: $7.33
Grotek Precision Micro, 4 L
Hydrofarm Brand:
Grotek Precision Micro, 4 L
SKU: GT0006818
SRP: $25.99
Grotek Precision Micro, 10 L
Hydrofarm Brand:
Grotek Precision Micro, 10 L
SKU: GT0006819
SRP: $58.99
Grotek Precision Micro, 23 L
Hydrofarm Brand:
Grotek Precision Micro, 23 L
SKU: GT0006820
SRP: $118.99
Grotek Precision Micro
Grotek Precision Micro, 1 L
Hydrofarm Brand:
Grotek Precision Micro, 1 L
SKU: GT0006817
SRP: $10.99
Grotek Precision Micro, 500 ml
Hydrofarm Brand:
Grotek Precision Micro, 500 ml
SKU: GT0006816
SRP: $7.33
Grotek Precision Micro, 4 L
Hydrofarm Brand:
Grotek Precision Micro, 4 L
SKU: GT0006818
SRP: $25.99
Grotek Precision Micro, 10 L
Hydrofarm Brand:
Grotek Precision Micro, 10 L
SKU: GT0006819
SRP: $58.99
Grotek Precision Micro, 23 L
Hydrofarm Brand:
Grotek Precision Micro, 23 L
SKU: GT0006820
SRP: $118.99
Grotek Vitamax Pro, 1 L
Hydrofarm Brand:
Grotek Vitamax Pro, 1 L
SKU: GTVMPRO1L
SRP: $31.02
Grotek Vitamax Pro, 10 L
Hydrofarm Brand:
Grotek Vitamax Pro, 10 L
SKU: GTVMPRO10L
SRP: $224.36
Grotek Vitamax Pro, 23 L
Hydrofarm Brand:
Grotek Vitamax Pro, 23 L
SKU: GTVMPRO23L
SRP: $430.99
Grotek Vitamax Pro, 4 L
Hydrofarm Brand:
Grotek Vitamax Pro, 4 L
SKU: GTVMPRO4L
SRP: $105.46
Grotek Vitamax Pro
Grotek Vitamax Pro, 1 L
Hydrofarm Brand:
Grotek Vitamax Pro, 1 L
SKU: GTVMPRO1L
SRP: $31.02
Grotek Vitamax Pro, 10 L
Hydrofarm Brand:
Grotek Vitamax Pro, 10 L
SKU: GTVMPRO10L
SRP: $224.36
Grotek Vitamax Pro, 23 L
Hydrofarm Brand:
Grotek Vitamax Pro, 23 L
SKU: GTVMPRO23L
SRP: $430.99
Grotek Vitamax Pro, 4 L
Hydrofarm Brand:
Grotek Vitamax Pro, 4 L
SKU: GTVMPRO4L
SRP: $105.46
Grotek Precision Grow, 1 L
Hydrofarm Brand:
Grotek Precision Grow, 1 L
SKU: GT0006797
SRP: $8.99
Grotek Precision Grow, 500 ml
Hydrofarm Brand:
Grotek Precision Grow, 500 ml
SKU: GT0006796
SRP: $6.34
Grotek Precision Grow, 4 L
Hydrofarm Brand:
Grotek Precision Grow, 4 L
SKU: GT0006798
SRP: $21.99
Grotek Precision Grow, 10 L
Hydrofarm Brand:
Grotek Precision Grow, 10 L
SKU: GT0006799
SRP: $48.99
Grotek Precision Grow, 23 L
Hydrofarm Brand:
Grotek Precision Grow, 23 L
SKU: GT0006800
SRP: $97.99
Grotek Precision Grow
Grotek Precision Grow, 1 L
Hydrofarm Brand:
Grotek Precision Grow, 1 L
SKU: GT0006797
SRP: $8.99
Grotek Precision Grow, 500 ml
Hydrofarm Brand:
Grotek Precision Grow, 500 ml
SKU: GT0006796
SRP: $6.34
Grotek Precision Grow, 4 L
Hydrofarm Brand:
Grotek Precision Grow, 4 L
SKU: GT0006798
SRP: $21.99
Grotek Precision Grow, 10 L
Hydrofarm Brand:
Grotek Precision Grow, 10 L
SKU: GT0006799
SRP: $48.99
Grotek Precision Grow, 23 L
Hydrofarm Brand:
Grotek Precision Grow, 23 L
SKU: GT0006800
SRP: $97.99
Grotek Bud Fuel Pro, 1 L
Hydrofarm Brand:
Grotek Bud Fuel Pro, 1 L
SKU: GTBDF1L
SRP: $36.26
Grotek Bud Fuel Pro, 4 L
Hydrofarm Brand:
Grotek Bud Fuel Pro, 4 L
SKU: GTBDF4L
SRP: $98.25
Grotek Bud Fuel Pro
Grotek Bud Fuel Pro, 1 L
Hydrofarm Brand:
Grotek Bud Fuel Pro, 1 L
SKU: GTBDF1L
SRP: $36.26
Grotek Bud Fuel Pro, 4 L
Hydrofarm Brand:
Grotek Bud Fuel Pro, 4 L
SKU: GTBDF4L
SRP: $98.25
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