Grotek’s nutrients, 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.
A range of the most popular Hydroponic and soil growing solutions to optimise healthy, vigorous growth of your favourite plants.
Grotek's Core is the heart of the Greenline Organics range and offers the essential NPK ratio that provides the basis for our mu...More
Calcium is vital to the success of the plant, and Grotek Vital provides growers with an opportunity to obtain the right level of calcium ...More
Growing indoors organically can pose problems not only because of the lack of biology, but also because of the lack of micronutrients. Mi...More
Kelp has long been considered an incredible organic supplement. Growth Max is a highly concentrated cold processed kelp rich in organic c...More
Biofuse™ is a water-soluble inoculant containing microorganisms that come to life when applied to soil. These beneficial microbes c...More
The variety of mycorrhizae found in Synergy ™ is particularly effective in intensive agriculture when fertilizers are used. Not all...More
Black Pearl was the first product in Grotek's Greenline products. Grotek was the first to bring engineered charcoal to our industry i...More
Grotek Impact Grow is a 2-part fertiliser specifically for the vegetative stage of plant growth in Hydroponic systems (inc...More
Redesigned from innovative research, KickStart is formulated for seedlings, cuttings and transplants. By increasing the efficiency and de...More
Solo-Tek Grow is a unique one-part suspension specifically formulated for the vegetative stage of plant growth in Hydroponics (inclu...More