Quote:
Originally Posted by Michael G.
Munn's for us also using a shop vac with water.
They said just use hot water once a month.
Now my neighbors use bleach in their water line.
The only thing people don't like with bleach is the smell in ventilation system.
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Bleach can create fumes that can cause erosion of the metal parts in your air handing unit, especially the evaporator coil. I would not use bleach, unless you thoroughly flush it out with water after adding the bleach to the drain.