Grotek cal-max often the limiting factor in fast growing plants is a lack of useful calcium. In fact, it's one of the problems many coco growers face as there isn't a lot in the media. Grotek cal-max provides calcium in a rapidly available form meaning your plants can get back to the job at hand. As such, cal-max makes a great conditioner, charging the coco with calcium before use. Along with calcium, cal-max also offers nitrogen which is one of the most important elements for plants. It also has a strong source of iron in chelate form which also helps keep the plants green and healthy. Using cal-max alongside your regular nutrients will help improve overall structure as well as help growth rates. Grotek calmax deficiency correction cal-max tm , which charges soilless media, helps plants recover from minor nutrient deficiencies that can result from nutrient imbalances, rapid growth or too humid conditions. Coir-based soil growers need to know about cal-max tm . The availability of nitrogen helps to stimulate the production of chlorophyll, protein and other nutrients that are needed to quickly regreen plants. For lush green growth, chelated iron provides more power to combat deficiency. Calcium is an important ingredient that can increase plant vitality and help with peak growth. Use as a spray on the leaves to speed up your recovery from nutritional deficiencies. This is a great way to pre-charge coco coir. Applicable rate: one liter equals 800 litres of solution. Soil ...