Regal No Phos Metal Out is a concentrated, phosphate-free, multi-purpose pool formula that prevents and removes metal stains (copper, iron, manganese) and scale without increasing phosphate levels. It protects pool finishes, inhibits scale on salt cells, and is ideal for startup, heavy rainfall, or routine maintenance. 
Key Features & Benefits:
Phosphate-Free Formula: Prevents staining and scaling without adding phosphates, which can inhibit algae growth.
Stain & Scale Control: Removes existing iron, copper, and manganese stains and prevents new ones.
Protects Equipment: Reduces calcium buildup in filters, plumbing, and on surfaces.
Versatile: Compatible with chlorine, bromine, and salt generator systems.
Concentrated: Effective for new plaster startups to control dust and scale.