If you are looking for high quality fertilizers for your crops, HESI It is one of the most recognized brands in the sector. With decades of experience in plant nutrition, this German company has developed advanced formulas that combine science and nature to maximize plant growth and flowering.
Since its inception, HESI has opted for innovation and accessibility, creating fertilizers that not only guarantee optimal results, but they are also easy to use, even for inexperienced growers. Its catalog includes products designed for each phase of plant development, ensuring balanced nutrition from germination to harvest.
What makes HESI different from other brands? Efficiency, simplicity and superior performance. Its formulas contain a precise combination of minerals, trace elements and organic compounds, optimized for plants to assimilate nutrients quickly and effectively. Furthermore, its excellent relationship quality-price makes HESI an ideal choice for both home and professional growers.
If you want to take your cultivation to the next level, it's time to trust HESI. Discover their range of fertilizers and experience the power of premium nutrition!
HESI's star products and their benefits
HESI offers a line of fertilizers and enhancers that cover all phases of cultivation, from growth to flowering. Its formulation is designed to maximize plant performance, ensuring they receive essential nutrients at each stage. Below, we present their most notable products and how they can improve your crop.
Growth Fertilizers (They promote vegetative development)
Strong, healthy growth is the foundation of a successful crop. HESI has developed balanced solutions that guarantee vigorous development without generating salt accumulation or imbalances in the substrate.
🔹 TNT Complex HESI
This fertilizer is ideal for the growth phase, as it contains easily assimilated organic nitrogen which enhances the development of stems and leaves without saturating the soil. Its light but effective formula allows explosive growth without the risk of overloading the roots.

➡ Key benefit: Stimulates development without risk of over-fertilization.
Flowering Fertilizers (Maximize flower and fruit production)
When plants enter the flowering phase, they need extra phosphorus and potassium to enhance the formation of flowers and fruits. HESI has formulated its flowering fertilizers to provide all the necessary nutrients at the right time.
🔹 Bloom Complex HESI
This complete fertilizer provides all essential minerals for abundant and healthy flowering. Contains sugars and trace elements that They promote the production of larger and more resistant flowers, ensuring more productive and better quality harvests.
➡ Key benefit: It guarantees large, healthy flowers, with extra vitality.
🔹 PK 13/14 HESI
The definitive reinforcement for the last flowering phase. Your high concentration of phosphorus and potassium It stimulates the compaction of the buds and improves the production of resin and essential oils. Perfect for obtaining denser and more aromatic fruits.

➡ Key benefit: Greater compaction and density in the buds and fruits.
Enhancers and Stimulants (Strengthen metabolism and resistance)
To obtain a healthy and productive crop, it is essential to strengthen the metabolism of the plants and improve the quality of the substrate. HESI offers additives that reinforce the natural resistance of plants and optimize nutrient absorption.
🔹 HESI SuperVit
A concentrate of vitamins and amino acids designed to improve nutrient absorption and stimulate plant metabolism. Increases plant resistance to stress, promotes faster growth and enhances flowering.

➡ Key benefit: Healthier, more resistant and productive plants.
🔹 Power Zyme HESI
This enzyme complex breaks down dead roots and organic matter, improving the structure of the substrate and promoting the oxygenation and nutrient absorption. Ideal for soil and hydroponic systems.

➡ Key benefit: Healthier soil and better nutrient absorption.
How to use HESI fertilizers to obtain the best results?
To get the most out of fertilizers HESI, it is essential to know their correct dosage, how to combine them with each other and some practical tips to avoid common mistakes. With the right application, your plants will receive perfect nutrition at every stage of cultivation, ensuring vigorous growth and explosive flowering.
Recommended dosage depending on the type of crop and growth phase
The amount of fertilizer to use depends on the type of plant, the substrate and the phase in which the crop is located. HESI offers products designed for each stage, so it is important to follow application recommendations to obtain the best results.
Growth phase (Vegetable)
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TNT Complex HESI: 2 - 5 ml per liter of water, applied 1-2 times a week.
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Power Zyme HESI (optional): 2 ml per liter of water, promoting the health of the substrate.
➡ Objective: Develop a strong root system and vigorous growth of stems and leaves.
Flowering phase
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Bloom Complex HESI: 3 - 5 ml per liter of water, from the appearance of the first flowers.
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PK 13/14 HESI: 1.5 ml per liter in the second half of flowering (last 3-4 weeks).
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SuperVit HESI (optional): 1 drop per 4.5 liters of water to reinforce resistance and flowering.
➡ Objective: Enhance the formation of large flowers and improve the production of fruits or buds.
💡 Important: In hydroponic or coconut crops, it is recommended to measure the EC (electroconductivity) to avoid over-fertilization.
Compatibility with other HESI products and optimal combination
HESI fertilizers have been formulated to work in synergy, so they can be combined without risk of nutrient blocking. Here is a guide to recommended combinations to maximize its effectiveness:
✅ TNT Complex + Power Zyme + SuperVit → Ideal for strong and healthy growth.
✅ Bloom Complex + PK 13/14 + SuperVit → Perfect for abundant and resinous flowering.
✅ PK 13/14 + SuperVit + Power Zyme → Final reinforcement for higher quality crops.
If you grow in earth, HESI has balanced its fertilizers so that no need to measure pH, which greatly facilitates its application.
In systems hydroponics and coconut, it is advisable to use HESI Hydro Growth and Hydro Bloom, formulated specifically for these media.
Practical tips to avoid errors and maximize performance
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Don't over-fertilize: Although HESI products are easy to assimilate, an excess can affect the balance of the substrate. Follow the recommended doses.
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Use quality water: If the water has a very high pH or too much calcium, it can affect the absorption of nutrients.
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Start with low doses and adjust based on your plants' response.
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Maintain good oxygenation in the substrate with Power Zyme, especially in automatic irrigation or hydroponic systems.
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Enter PK 13/14 at the appropriate time: Using it too soon can cause an imbalance in the plant's nutrition.
With these tips and the right combination of fertilizers, you will achieve a healthier, more productive and highest quality crop.
Why buy HESI at Grow Industry?
If you are looking for HESI fertilizers at the best price and with all the guarantees, Grow Industry It is your best option. Not only will you find a wide selection of the brand's products, but you will also enjoy exclusive benefits that will optimize your shopping experience and the performance of your crop.
Competitive prices and exclusive offers on HESI fertilizers
In Grow Industry, we work directly with the main suppliers to offer you HESI fertilizers at the best price on the market. Furthermore, we have discounts and special promotions so you can nourish your plants with high-quality products without spending more.
Fast and safe shipping so you don't interrupt the growth of your plants
We know how important it is to have fertilizers at the right time. Therefore, we offer fast and safe shipping so you can receive your order without delays and continue with your cultivation plan without interruptions.
Specialized advice to find the ideal product for your crop
Don't know which HESI fertilizer to choose or how to apply it? In Grow Industry We put at your disposal a team of cultivation experts who will help you select the most suitable products for your type of plant, growing medium and production objectives.
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Do you need to boost growth? We will recommend the best combination of HESI fertilizers.
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Are you looking for an explosive flowering? We will tell you how to take advantage PK 13/14 and Bloom Complex to the maximum.
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Do I grow in soil, coconut or hydroponics? We advise you on the best fertilization strategy.