Calmag & Iron

Balanced Source of Calcium, Magnesium, & Chelated Iron
Flowering plants often require higher levels of calcium, magnesium, and iron. Our carefully balanced formula ensures that your plants receive these essential micronutrients to address any deficiencies.

Corrects Common Plant Deficiencies
Unhealthy plants often suffer from nutrient imbalances. CalMag & Iron effectively corrects and remedies these deficiencies, restoring your plants to optimal health.

Enhanced Nutrient Uptake and Absorption
Our formula supports efficient nutrient uptake and absorption, tackling deficiencies at the source. This ensures robust support during both the vegetative and flowering stages of plant growth.

Versatile for Hydroponics, Soil, and Container Gardens
CalMag & Iron is ideal for various gardening setups, including hydroponics, soil, and container gardens. It promotes strong, healthy plants and improved yields across different growing mediums.

Perfect for Coco Coir Medium and Reverse Osmosis Water
Humboldts Secret CalMag & Iron is especially effective for plants in coco coir substrates or those irrigated with reverse osmosis water. The absorption process is magnified, ensuring your plants get the nutrients they need.

Enhance your plant care routine with CalMag & Iron – the ultimate solution for addressing micronutrient deficiencies and promoting healthy, vigorous plant growth.