CalMag Supreme 1 gallon

Cal-Mag Supreme – Liquid Calcium, Magnesium & Iron Supplement

Support your plants with the essential nutrients they need to thrive, especially under the intensity of indoor grow lights. Cal-Mag  is a highly concentrated liquid fertilizer formulated with calcium, magnesium, and iron to correct and prevent common deficiencies that can limit growth, weaken plants, and reduce yields.

• Calcium strengthens cell walls and supports vigorous structural development.

• Magnesium is vital for chlorophyll production and photosynthesis.

• Iron promotes lush, green foliage and proper enzyme function.

Essential for Indoor Plants, Cannabis & Vegetables:
Indoor environments — particularly those with strong artificial lighting — can lead to nutrient imbalances. This Cal-Mag supplement helps prevent leaf yellowing, nutrient lockout, and blossom end rot, ensuring your plants stay strong, healthy, and productive.

Use with Every Watering:
Ideal as a regular additive for cannabis, tomatoes, peppers, leafy greens, and all flowering plants. Compatible with all growing media and nutrient programs, Cal-Mag Plus should be used with every watering to maintain optimal nutrient levels and plant health.

Premium Quality – Fast Absorption:
This liquid formula is highly bioavailable, fast-acting, and easy to mix, providing consistent results in both soil and hydroponic systems.