Alum is a safe and effective tool used in lakes, ponds, drinking water reservoirs, and wastewater holding ponds to improve water quality.
Alum Treatments Prior Lake Spring Lake Watershed District
Alum (aluminum sulfate) turns polluted lakes from green to clear
Red mud - Wikipedia
Influence of temperature and pH on phosphate removal efficiency of
Is alum natural and safe for restoring water quality?
Eutrophication - Wikipedia
Recycling of Alum from Water Treatment Residue and Reuse It as a
Frontiers Evaluation of the effectiveness of some local plant
Full article: Effects of alum treatment on water quality and
Improve Water Quality with Natural, Sustainable Solutions
Recycling of Alum from Water Treatment Residue and Reuse It as a
To Fight Floods, New York City Rebuilds a Wall of Oysters - Bloomberg
Alum Applications for Water Quality Restoration
Water Quality: Information, Importance and Testing – Svalbarði
Alum Applications for Water Quality Restoration