Is aluminum sulfate safe for plants? - Shandong Heyi Gas …
Aluminium sulphate (Al2 (SO4)3) is a compound that is soluble in water. This compound is mainly used as a coagulant in water purification processes, wastewater treatment and in paper making processes. However, alum has a rather interesting use in horticulture. Lowering soil PH — 5.0 is the appropriate pH for many garden plants that thrive in ...