What corrosion prevention chemical may be the best overall treatment approach?

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Multiple Choice

What corrosion prevention chemical may be the best overall treatment approach?

Explanation:
Raising the water’s pH and buffering capacity reduces metal dissolution, making water less aggressive toward pipes. Lime (calcium hydroxide) does this effectively and also adds calcium, which helps form calcium carbonate scale on the pipe interior. That protective scale plus the higher pH/alkalinity provides a durable, broad corrosion control effect while often being cost-efficient. While other options can inhibit corrosion in specific ways, lime offers the most general benefits for a wide range of waters and pipe materials.

Raising the water’s pH and buffering capacity reduces metal dissolution, making water less aggressive toward pipes. Lime (calcium hydroxide) does this effectively and also adds calcium, which helps form calcium carbonate scale on the pipe interior. That protective scale plus the higher pH/alkalinity provides a durable, broad corrosion control effect while often being cost-efficient. While other options can inhibit corrosion in specific ways, lime offers the most general benefits for a wide range of waters and pipe materials.

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