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FOUNTAIN #3

PREPARATION (parts by weight):

CHEMICALPERCENT/PARTSAMOUNT
Potassium nitrate0.500
Charcoal
0.100
Sulfur0.150
Iron0.250
Total


Charcoal, sulfur, and potassium nitrate are ball milled and very fine. Iron is medium-coarse. After mixing (by diaper method), add an equal weight of coarse meal powder (about 1Fg to 2Fg equivalent), and mix it in, too.