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CalMag Top Crop
€9.86
€12.33
20%
4.71/5
(7 Ratings)
CalMag by Top Crop is a nitrogen fertilizer with calcium and magnesium that boosts growth and promotes the correct development of the plant, preventing possible deficiencies.
Description
CalMag by Top Crop is a concentrated liquid fertilizer intended for osmosis filtered water and also for soft waters that don’t have these micro-nutrients. By using this product you’ll be boosting the growth of the plant and its correct development.
CalMag by Top Crop prevents possible deficiencies
This nitrogen fertilizer with calcium and magnesium provides some of the most important macro and micro nutrients for the perfect development of plants, avoiding possible deficiencies that could affect the development of the crop..
These elements help with the formation of the structure of the plant and its cell wall, improving light absorption, which is essential for photosynthesis.
Use mode
- Dosage: Apply the product up to a 0.4 EC. When finding out the EC is not possible, then add 0.2 ml/L to soft water and 0.1 ml/ L to hard water. Then complete the solution with the rest of the nutrients.
- Before applying it, take into account the existence of other calcium and magnesium sources. For this reason it’s recommended to check the EC prior to its use.
- It can be added throughout the entire cycle of the plant.
- Suitable for foliage application, hydroponics and substrate.
- To correct occasional deficiencies, add 0.1-1 ml/ L.
CalMag by Top Crop composition
- Total nitrogen (N): 6.6%
- Water soluble calcium oxide (CaO): 6.7%
- Water soluble magnesium oxide (MgO): 2.4 %
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17/04/2026
I bought it to prevent deficiencies when growing with LED
Translated from Spanish
Lo he comprado pars evitar la carencia al cultivar con led
01/10/2025
Honestly really good. I had issues with osmosis water and since I've been using it, bye bye yellow leaves. A really great buy.
Translated from Spanish
La verdad que muy bueno. Tenía problemas con el agua de ósmosis y desde que lo uso, adiós a las hojas amarillas. Una compra acertadísima.
04/09/2025
Perfect for preventing those annoying deficiencies. My cherry tomatoes are thriving, green and healthy leaves. I use it alongside my base nutrient and it's a 10/10.
Translated from Spanish
Perfecto para prevenir esas carencias tan molestas. Mis tomates cherry van a tope, hojas verdes y sanas. Lo uso junto con mi abono base y de 10.
17/08/2025
First time I'm trying this on my autos, let's see how it works. It was highly recommended to me, what do those of you who use it think?
Translated from Spanish
Es la primera vez que pruebo con esto para mis autos, a ver qué tal funciona. Me lo recomendaron bastante, ¿qué opináis los que lo usáis?
01/08/2025
Works great! My plants look way healthier. Would buy again!
Translated from German
Wirkt super! Meine Pflanzen sehen viel gesünder aus. Gerne wieder!
01/08/2025
Holy cow, this is great! My plants are loving it so much. Insane growth!
Translated from Spanish
Madre mía, ¡está genial! Mis plantas lo están agradeciendo un montón. ¡Crecimiento bestial!
22/07/2025
Very effective, along with Top Auto, Top Veg and Green Explosion the result is crazy, highly recommended
Translated from Spanish
Muy efectivo, junto con Top Auto, Top Veg y Green Explosion es una exagerada el resultado, muy recomendable