I just read it. Not a single mention of sodium chloride in the article though. It's a misleading title designed to get clicks.
"Calcium and potassium nitrates, ammonium, potassium and magnesium sulfates, and mono potassium phosphate (aka MKP) are six water-soluble nutrient salts that deliver major nutrients and yield, which allow growers to design fertilization recipes for a wide range of water types and growing situations. The amount of major salts growers will use is dependent mainly on their source water."
"Calcium and potassium nitrates, ammonium, potassium and magnesium sulfates, and mono potassium phosphate (aka MKP) are six water-soluble nutrient salts that deliver major nutrients and yield, which allow growers to design fertilization recipes for a wide range of water types and growing situations. The amount of major salts growers will use is dependent mainly on their source water."