Vital Cal-Mag - Liquid Calcium-Magnesium Fertilizer 1-0-0Experience the power of Vital Cal Mag! Our organic fertilizer provides essential calcium and magnesium to your plants, boosting their health and vitality with every application. Perfect for all stages of growth, it's no wonder Vital Cal Mag is trusted by gardeners everywhere! A chlorine free liquid Cal Mag that wont harm microorganisms Strengthens cell walls A key component in plant nutrition Can be root drenched or foliar fed for immediate uptake