Potassium Sulfate or Potassium Chloride?
Which one would you prefer?
Both Potassium Sulfate (K2SO4) or Potassium Chloride (KCl) can be obtained from gardening stores. K2SO4 is often referred to as "Sulfate of Potash", and KCl is referred to as Muriate of Potash.
Which one is better as aqua fert.?