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Cal-Mag Mills
€24.14
€26.82
10%
5/5
(4 Ratings)
Cal-Mag is designed to correct nutrient deficiencies, specifically calcium and magnesium. You can also use it to increase EC in soft water or osmosis water.
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Description
Add calcium and magnesium to your grows when necessary with Cal-Mag by Mills
Cal-Mag by Mills is a simple product that every grower should have among their arsenal of cannabis growing products. Calcium and magnesium are incredibly important elements for your plants, which is why they need to be able to absorb them at all times.
This product is also used to increase EC in osmosis water filtered with a 5 Stage Reverse Osmosis Filter or water with an EC lower than 0.4. It’s essentially a mineral base that helps your plant's structure to stay sturdy and strong, as well as helping them with photosynthesis and the flowering period.
When to apply Cal-Mag by Mills on your cannabis grows?
If your plants are lacking in calcium or magnesium you can easily correct any deficiencies by using moderate doses of Mills Cal-Mag. Calcium and magnesium or two of the most common deficiencies in cannabis plants, so having this product handy to fix it asap would be ideal, as it can stress your plants out quite a lot. You can spray it on your plants if you’re looking to get the fastest results.
Dosage and how to use:
- Use 0.5-1 ml as a general dose.
- In order to increase EC add 0.5 ml per liter and measure EC. Repeat if necessary (up to 0.4 EC).
- When sprayed, use 0.5 ml per liter of water. Make sure to spray in low lighting.
- Can be used in coco coir, hydroponics and peat.
Contents:
- Nitrogen: 8.3% w/w
- Magnesium: 2.5%
- Calcium: 13.1%
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17/10/2025
I was having issues with some weird spots on the leaves and weak stems. Since using it, a radical change. The plants are much more vigorous. And that's with my soft water, it really makes a huge difference.
Translated from Spanish
Estaba teniendo problemas con unas manchas raras en las hojas y tallos débiles. Desde que lo uso, un cambio radical. Las plantas están mucho más vigorosas. Y eso que mi agua es blanda, se nota un montón.
17/08/2025
Must-have for my plants! No more deficiencies under LED lights, you can really see the difference. Great product.
Translated from Italian
Indispensabile per le mie piante! Niente più carenze con le luci LED, si vede la differenza. Ottimo prodotto.
15/08/2025
A must-have staple. The leaves are super green and healthy. Essential!
Translated from Spanish
Un básico que no puede faltar. Las hojas están a tope de verdes y sanas. ¡Imprescindible!
04/03/2024
Great product, fixes issues and makes the water better.
Translated from Spanish
Genial producto, arregla problemas y hace que el agua sea mejor.