SKU: 167406

33.9 oz. Natural Chemistry Bottle of Spa Metalfree™

$13.99 $29.95
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ALL SALES FINAL - Read More

During our Total Liquidation Sale, all sales will be final for purchases made on or after 9/3/2026. Exchanges are permitted only for merchandise that is defective or damaged upon receipt. For issues covered under a manufacturer's warranty, please contact the manufacturer directly.

To read more about this sale, please see our FAQ page.
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Spa Metalfree​ is a highly effective metal chelating agent that protects against staining and discoloration from trace metals such as iron and copper.

  • 1 count package
  • 33.9 oz. bottle of spa chemicals
  • Helps protect against metal staining and discoloration
  • Neutralizes iron, copper and other trace metals that can affect clarity
  • Can be used with most sanitizing systems and is compatible with all spa surfaces
  • Should be used as part of a well-designed spa maintenance program
  • Will not add phosphates to spa water
  • Please Note: Do not use with biguanides

Directions for use:

This product is designed for use in properly balanced spa water.

Initial Dose: Add 1 capful (4oz) per 400 gallons directly to spa water evenly around the edge immediately after initial fill and after each drain and refill.

Weekly Maintenance Dose: Add 1oz per 400 gallons (one quarter of the large cap) weekly directly to spa water evenly around the edge.

Do not exceed recommended dose!

NOTE: Cationic polymers used in many clarifiers, flocculants and polyquat algaecides should not be dosed to swimming pool water at the same time as metal control products. Cloudy water, precipitation and reduced product effectiveness may result. Wait 24 hours between additions.


This product is considered a "hazardous material," is air-restricted and cannot be shipped to Alaska or Hawaii.

All Chemical sales are final.

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