... Potassium Nitrate ISO 9000:2001 approved 2.the high quality and the lowest price 3.in stock available ... nitrate toilet, pigs, cattle pens house, courtyard of the old skirting, cliff, cave, and not easy ... sun exposure. Good soil nitrate on the burning charcoal on the red sparks will burst. 2)Industrial ... .Defence : Wearing mask and gloves, no inhale the powder, protect skin 3.Storage:In cool, dry ...