Botanicare Cal-Mag Plus is a nutrient supplement that helps provide essential minerals and nutrients to your plants. This 1 gallon solution is a reliable fertilizer that helps promote growth and vibrant foliage. Cal-Mag Plus is an easy to use product that can be added to any nutrient program. It helps to provide your plants with essential calcium and magnesium, as well as other trace elements that are necessary for healthy plant growth. Cal-Mag Plus can also be used as a foliar spray to help keep leaves healthy and strong. With its balanced formula, Cal-Mag Plus helps ensure that your plants get the necessary nutrients they need for optimal growth and health.