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Cal-Max by GROTEK: Complete solution for Calcium, Magnesium, and Iron deficiencies in cannabis crops
Cal-Max by GROTEK is an additive formulated to provide a balanced supply of Calcium (Ca), Magnesium (Mg), and Iron (Fe), three essential nutrients in cannabis cultivation.
This product is ideal both for preventing and correcting deficiencies of these elements, optimizing plant growth and development under intensive cultivation conditions.

Cal-Max by GROTEK is an additive formulated to meet the specific needs of fast-growing marijuana crops, preventing the appearance of calcium, magnesium, and iron deficiencies.
As a fast-absorbing liquid solution, it can be applied both through irrigation and foliar application, ensuring rapid and efficient assimilation. This product helps cannabis plants absorb nutrients better and strengthen their cell structure, improving their resistance and production at every stage of growth.
Cal-Max is a perfect ally for growers who use reverse osmosis or distilled water, as these usually lack the essential minerals that plants need.
In addition, its fully soluble formulation ensures that it does not clog automatic irrigation systems and allows it to be compatible with any type of substrate: hydroponic, NFT, aeroponic, soil, or coco.
For proper application of Cal-Max by GROTEK, it is essential to follow the instructions to maximize results. The dosage may vary depending on the application method, with the following recommendations for safe and effective use:
The balanced composition of Cal-Max by GROTEK guarantees an essential supply of key nutrients for the growth and development of cannabis plants. Its NPK 2-0-0 formula covers calcium, magnesium, and iron deficiencies in plants, and its high solubility ensures rapid and effective absorption.
The use of Cal-Max by GROTEK provides numerous benefits to cannabis crops, both in prevention and in correcting nutritional deficiencies:
Cal-Max by GROTEK is a nutritional supplement specially formulated for cannabis crops, designed to prevent and correct calcium, magnesium, and iron deficiencies, nutrients essential for healthy plant development.
This product is ideal for growers who use reverse osmosis or distilled water, which lacks these micronutrients.
With Cal-Max, growers can ensure a constant supply of nutrients, improving plant development and maximizing their yield in all growth phases.
You can purchase Cal-Max by GROTEK at stores specializing in cannabis cultivation, such as Hydroponics Blanes, a trusted Grow Shop in Spain that offers discreet shipping throughout the peninsula.
In our store you will find a wide selection of products for self-cultivation of cannabis, including the necessary Grotek Fertilizers to ensure an abundant and high-quality harvest.
Cal-Max by GROTEK is a key additive for cannabis growers looking to avoid calcium, magnesium, and iron deficiencies.
With its rapid absorption and compatibility with any growing medium, Cal-Max allows your plants to receive essential nutrients from the start of growth, promoting a solid structure and more abundant flowering.
In Grow Shop in Spain such as Hydroponics Blanes, you will find this product along with other Grotek fertilizers to strengthen your crop and achieve the best results.
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