Why you need Cal-Mag in Coco Coir?
By Hydro Experts 26 May 2022
Calcium and magnesium are two of the most important nutrients for plants, but they can be tricky to get right when growing in coco coir. This guide will explain why cal-mag is so important for coco coir growers, and how to properly supplement your plants with it.
Coco coir is a great growing medium for many reasons, but one of the downsides is that it can be difficult to maintain proper nutrient levels. This is because coco coir has a very high cation exchange capacity (CEC), which means it binds tightly to nutrients and makes them unavailable to plants.
This is why it's so important to use a cal-mag supplement when growing in coco coir - without it, your plants will likely suffer from nutrient deficiencies.
Calcium is an essential nutrient for plant growth, and it plays a role in many important processes, including cell division, enzyme activity, and fruit set. Magnesium is also essential for plant growth, and it helps plants to use other nutrients, like nitrogen and phosphorus. Together, cal-mag supplements provide your plants with the essential nutrients they need to thrive in coco coir.
When choosing a cal-mag supplement, look for one that is specifically formulated for coco coir growers. This will ensure that it contains the right ratio of calcium to magnesium and other important trace elements. Apply the supplement according to the manufacturer's instructions, and be sure to flush your plants regularly with fresh water to prevent nutrient buildup.
It's important to monitor the pH of your nutrient solution regularly and adjust as needed. A typical target pH range for coco coir growers is 5.5-6.5.
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