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Old 09-21-2018, 04:16 PM
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Topspinmo Topspinmo is offline
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Quote:
Originally Posted by photo1902 View Post
Exactly. Twice a year cleaning with vinegar avoids any problems
IMO Pouring vinegar down may reduce growth, but on older units over time dust and rust builds up from years migrating down from the A-coil. Majority don’t live in house 10 to 15 years plus long enough to experience problem. It’s usually the 2nd or 3rd owners.