found on the web -- www.hydroponics.com all the ingredients required for pmdd cost $25 canadian approx $18 U.S Nutrient sixpack contains: #2 K2SO4(potassium sulfate), #3 KNO3 (potassium nitrate), #5 MGSO4 (epsom salt), #6 Chelate Trace element (Fe 7%, B 1.3%, Mn 2%, Zn 0.4%, Cu 0.1%) - exactly what you want.