CLR works faster and provides stronger cleaning power for heavy, stubborn mineral scale, whereas white vinegar is better for routine, non-toxic, and budget-friendly household maintenance. CLR contains powerful industrial acids that strip away thick calcium and rust rapidly, but it can damage delicate finishes if left on too long. Vinegar requires a slightly longer soaking time but is entirely safe for all standard plumbing materials. Verification: Inspect the cleaned fixture surface to ensure complete removal of scale without any finish pitting.
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