Reply To: toxicity of high density plastic vs. copper

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High density plastic would be PEX, right? That and PVC, CPVC and PE plastic are basically inert. OTOH, copper is leached/corroded into water by many things, hence the pinhole leak problems with copper. Also the new US NSF standard 61 bans copper in water of less than 6.5 pH.

Gary
Quality Water Associates

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