NLN Macroelements is supplied by HiMedia. It is available in the form of a white to off-white, homogeneous, free flowing powder with a pH in the range of 4.4 to 5.4. Since this product is extremely hygroscopic, it is advisable to store it at 2-8C, in air tight containers. The composition (mg/ml) is as follows:
Potassium nitrate (125.00)
Magnesium sulphate (61.04)
Potassium phosphate monobasic (125.00)
NLN macroelements powder has been specially formulated for plant cell, tissue and organ cultures. Potassium nitrate serves as the source of nitrate.