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"Grotek, a greenstar Plant Products brand, 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.

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To cultivate mutually beneficial long-term relationships built on trust, quality horticultural products, and world-class service. Our mission is to have our exceptional team empowered to make continuous improvements so that we become the industry leader in our areas of the horticultural industry. We strive to deliver strong financial performance, safe environmental practices, and effective corporate governance"

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GROWTH MAX™ Kelp has long been known as an incredible natural fertilizer. GrowthMax™ is a highly concentrated, cold-processed kelp rich in organic compounds and minerals. This product helps plants in all stages to achieve their maximum potential. The carbohydrates found in kelp also help support soil microorganisms, which in turn provide key compounds directly to plant roots. GrowthMax™ is a must in any garden.

GROWTH MAX

Biofuse™ is a water-soluble inoculant containing microorganisms that come to life when applied to soil. These beneficial microbes colonize the soil mmediately surrounding plant roots, adding biodiversity that is often lacking in soilless environments.

BIOFUSE

Black Pearl™ is more than just high-quality charcoal. It is ladened with high-grade ingredients like biochar, volcanic rock dust, low molecular weight humates, and kelp. The harmony between ingredients in the soil provide a dramatic boost to crops when added to any nutrient program.

BLACK PEARL

CARBO-MAX™ is Simple sugars are a great way to impact the root zone of plants and provide the energy required to produce a quality harvest. Carbo-Max™ is based on simple sugars that provide a rapid energy source for soil organisms and plants, which enhances the metabolism of minerals to positively impact the ripening stage. Use throughout the blooming cycle with every fertilizer application/nutrient change.

CARBO-MAX

Growth Booster™ is a fully soluble, high nitrogen and phosphorus fertilizer for vigorous vegetative growth. Supplementing your existing fertility program with Growth Booster ensures a strong crop with improved leaf, shoot, and root development. Start applying Growth Booster when the crop transitions from seedling into the phase of rapid, vegetative growth. Growth Booster is ideal for vegetables, ornamentals and medicinal plant production.

GROWTH BOOSTER

Fish Plus™ is an all-purpose, liquid fish-based fertilizer blend, producing great results on everything you grow. An enzymatically digested product to ensure the highest quality nutrients and organic acids. This formula works well with plants that prefer acidic soil and nutrients.

FISH PLUS

BUD FUEL™ is nutrients in this formula help support flower development and overall root structure. Using during pre-flower and through early bloom development can help each flowering site grow and produce a more uniform fruit set. Bud Fuel™ is recommended for use on all annual flowers, vegetables, herbs, containers, and hanging baskets.

BUD FUEL

Light Mix is a professional growing medium for potted plants. High-quality peat, perlite, and a highly effective combination of premium fertilizer and additional micronutrients are the basis for this professional mixture. Grotek Light Mix is a ready-to-use, all-round mixture that provides for healthy growth and a plentiful harvest.

LIGHT MIX

CORE™ the heart of our line is the essential NPK that provides a foundation for our multi-product Grotek Green Line. Core™ is based on plant matter, which not only provides key nutrients but also plant and mineral derived metabolites. This formula can be used to support beneficial soil biology in the rhizosphere, increasing production of substances known to benefit plant growth. Just like the rest of the Grotek Green Line, Core is suitable for all types of growing from gardens to water-based hydroponic systems.

CORE

GROWTH MAX™

GROWTH BOOSTER™

CARBO-MAX™

FISH PLUS™

Cal-Max™ works to charge soilless media and bring plants back from common minor nutrient deficiencies resulting from nutrient imbalance, rapid growth, or overly humid conditions. A must for growers using coir based soils. Available nitrogen fuels chlorophyll and protein production to quickly re-green starved plants. Chelated iron adds more deficiency fighting power for lush green growth. Added calcium helps to improve plant vigor and assist in times of peak growth. Apply as a foliar spray for fastest recovery from nutrient deficiencies. Excellent for pre-charging coco coir.

CAL-MAX™

CORE™

BUD FUEL™

BIOFUSE™

Light Mix™ is a professional growing medium for potted plants. High-quality peat, perlite, and a highly effective combination of premium fertilizer and additional micronutrients are the basis for this professional mixture. Grotek Light Mix is a ready-to-use, all-round mixture that provides for healthy growth and a plentiful harvest.

LIGHT MIX™

Grotek

"Grotek, a greenstar Plant Products brand, 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 

Grotek - Plant Products - Organic Extracts - Knowde

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BUD FUEL™ Safety Data Sheet

BUD FUEL™ Safety Data Sheet - Grotek

BUD FUEL™ is nutrients in this formula help support flower development and overall root structure. Using during pre-flower and through early bloom development can help each flowering site grow and pro

BUD FUEL - Grotek - Fertilizers - Knowde

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