C219

Chen Shouxin was very busy. After waking up early, he began to search for sulfur and gloss. Charcoal was just too easy to find, and he had plenty of it at home.

The ratio of one nitre, two sulphur and three charcoal was not the same. The ratio of one nitrate was one jin, that was 16 taels. Sulfur and charcoal were the real difference.

The ratio was simple, the key was how to store and mix them