Are your plants starting to look unhealthy? Are some leaves turning yellow?
This may be caused by a deficiency in calcium and magnesium. Cal/mag is an important secondary macronutrient responsible for the foundation of the cell wall, as well as supporting the absorption of sunlight.
If you are using tap or hard water for your garden, chances are your plants will have a sufficient amount of calcium and magnesium. However, if you're using filtered or soft water, using a cal/mag supplement is a must.
Reasoning? Filtration techniques like reverse osmosis filters out minerals like calcium and magnesium, therefore, making your plants cal/mag deficient.
Lastly, cal/mag is also important when using coco coir as a growing medium. Coco coir tends to cause calcium lockout which will result in calcium deficiency.
If you use coco coir or soft water, cal/mag supplements are a must. Shop below.