Desert Energy Potassium Nitrate is a fully water soluble straight fertilizer. It is a white fine crystalline powder, free flowing and hence dissolves quickly in water without any residues. Potassium is essential for crop, fruit and flower quality, shape and color. Nitrate nitrogen is a readily available form for plant uptake, results in fast growth. This is the right source of potassium without risk of Sulphate or Chloride salt accumulation.