Black Magic Cal-Mag Supplement is designed to work with Black Magic liquid nutrients to give plants an extra boost of calcium and magnesium. Added calcium and magnesium are beneficial to help optimize plant nutrition and enhance growth of calcium-intensive plants. These additional nutrients also help against secondary nutrient deficiencies, such as tip burn or blossom end rot.
Are you using Cal-Mag Supplement for growing marijuana? Record it on your Grow Diary!
Looking to start using Cal-Mag Supplement for Cannabis? Find the Lowest Price here!
Liquid (ml/l)
N-P-K / Micro-elements Nutrient
Non-Organic
Day-to-day Solution
How to Use Cal-Mag Supplement
If you damaged the label or have not purchased the product yet, you can refer to the information found below to help you understand how to use Cal-Mag Supplement. If you are mixing your own nutrients, you can reference the NPK chart found below to help you identify the role of this nutrient product. The recommended feeding schedule for can be found below to help you understand the correct measurements of nutrients to use. The feeding schedule chart has been provided by Black Magic, the product manufacturer.
Cal-Mag Supplement NPK Chart
When combining nutrients, you will want to be conscious of their NPK contents as well as others. You can look at the contents of Cal-Mag Supplement using the chart below.
Cal-Mag Supplement Feeding Chart
Below you can find the recommended feeding chart provided by the nutrient company. To avoid hurting your plants, we recommend starting at a slightly reduced dosage and working up to the recommended dosage at a pace which you are comfortable with.
Black Magic Product Line
Take a look at complimentary nutrients which are also available from Black Magic. These products will compliment each other, or serve different purposes.
View all Black Magic Products