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METALfree is a highly effective metal deactivation agent that prevents staining and discoloration from trace metals such as iron and copper. METALfree also prevents scale build-up due to calcium and other minerals. These trace metals and minerals may already be in the pool water or in the fill water. It should be used as part of a well designed weekly pool maintenance program. METALfree does not contain phosphonic acids and will NOT raise phosphate levels in pool water
Directions for use:
Caution not to spill or splash METALfree on deck or coping.
1. Add 32oz (1L) of METALfree per 20,000 gallons (75,000L) of pool water
2. Sprinkle in pool water pool perimeter. Do not add through skimmer
Add one capful (4oz) per 10,000 gallons (38,000L) every week