Add 'Drain cleaning basics that work'

Drain-cleaning-basics-that-work.md

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+<br>Start with the heater’s age, recovery time, and visible corrosion. If repairs approach a meaningful fraction of replacement—and efficiency is poor—compare new options with warranty and [operating cost](https://www.purevolume.com/?s=operating%20cost). For clogs, prefer mechanical methods, trap checks, and clean-out access before chemicals. To catch leaks early, meter tests, dye tests, and moisture readings help protect finishes and cabinetry. see [Trust 1 Services – Emergency Plumber](https://www.edjmir.com/shaynebrereton)
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