Hot Tub Things Metal Out – Metal Remover & Stain & Scale Control for Spa Water (16 oz)

Keep spa water clear and surfaces pristine with Hot Tub Things Metal Out. This liquid metal chelator targets iron, copper, and calcium ions that can color water, stain acrylic and vinyl, and form stubborn deposits inside pipes and heaters. Used during fill-up or as part of routine use, Metal Out works to protect surfaces and support consistent water quality without disrupting your sanitizer plan.

Key benefits

• Chelates iron, copper, and calcium ions to help prevent staining and scale buildup.
• Suspends metal ions to reduce deposits and protect plumbing and heater components.
• Protects acrylic, vinyl, and heater surfaces for longer-lasting spa performance.
• Safe for chlorine, bromine, saltwater, and ozone systems, enabling flexible sanitizing options.
• Supports crystal-clear water during fill-ups and everyday use, reducing the need for frequent cleanup.

How to use and system compatibility

• During fill-up, add 16 fl oz; for heavy metal issues, use 24 oz with the pump running for even distribution.
• Distributes evenly to minimize spots and simplify maintenance routines.
• Compatible with spas, hot tubs, jetted baths, and swim spas without interfering with sanitizers.
• May help extend equipment life by reducing metal-related deposits and wear when used as directed.

Note: Results depend on water chemistry and usage. Follow label instructions and perform routine water testing. Metal Out is designed to complement your existing spa care routine and is safe to use with common sanitizing systems.