Mills CalMag – Essential Calcium & Magnesium Supplement for Strong, Healthy Plants Mills CalMag is a premium calcium and magnesium supplement designed to prevent nutrient deficiencies and support healthy, vigorous plant growth. Ideal for use with soft water, reverse osmosis (RO) water or coco growing media, this carefully balanced formula provides two essential elements that are vital for strong cell development, healthy foliage and optimal nutrient uptake. By supplying readily available calcium and magnesium, Mills CalMag helps strengthen plant structure, improve photosynthesis and promote lush, green growth throughout the entire growing cycle. It also helps prevent common deficiency symptoms such as yellowing leaves, weak stems and poor plant development, ensuring your plants remain healthy and productive. Suitable for use in soil, coco and hydroponic systems, Mills CalMag integrates seamlessly into the Mills Nutrients feeding programme, giving growers complete confidence in every stage of cultivation. Key Benefits: Prevents and corrects calcium and magnesium deficiencies Supports strong stems, healthy roots and vigorous growth Improves nutrient uptake and overall plant health Encourages lush green foliage and efficient photosynthesis Ideal for soft water, RO water and coco growing Suitable for soil, coco and hydroponic systems Complements the full Mills Nutrients range Keep your plants growing at their best with Mills CalMag – the essential supplement for stronger, healthier plants and consistently impressive results. Calmag is highly concentrated. Use only approx. 1 ml per liter of water to increase the EC to the desired level. To prevent calcium and magnesium deficiencies: give your plants 1ml per 1 litre of water without other additives with a pH of 6.5, 1x per week.