Potassium Nitrate

1 lb KNO3
13.5-0-46.2
Potassium is an essential plant nutrient and is required in large amounts for proper growth and reproduction.

International customers: Consider buying Calcium Nitrate and Potassium Sulfate instead. Potassium nitrate is an oxidizer. We will not ship more than 4 lbs of potassium nitrate outside the USA or Canada. Aquariumfertilizer.com has a permit filed with the Canadian Department of Natural Resources.

Potassium nitrate is a naturally occurring mineral source of nitrates, KNO3. There are 70 g in 1/4 cup of potassium nitrate.

International customers: Consider buying Calcium Nitrate and Potassium Sulfate instead. Potassium nitrate is an oxidizer. We will not ship more than 4 lbs of potassium nitrate outside the USA or Canada. Aquariumfertilizer.com has a permit filed with the Canadian Department of Natural Resources.