Natural Chemistry Spa Metal Free is a highly effective metal deactivation agent that prevents staining and discoloration from trace metals such as, iron and copper. These trace may already be in the spa fill water or in water added to maintain water level.
Spa Metal Free should be used as part of a well designed spa maintenance program. Various metals like iron and copper are frequently found in domestic tap water. These metals can build-up and lead to staining on spa surfaces. Due to regular topping up of spa fill water, it is recommended to dose weekly with Spa Metal Free.
Metal Free cannot be used with synthetic polymer clarifiers. The polymers in both products are negatively charged; they will repel one another and cause cloudy water. Metal Free can be used with Natural Clarifier because it is chitosan based product and does not contain polymers.