Will pouring salt down the drain help clear my drains

There are a lot of old wives’ tales about homemade solutions to cleaning out clogged drains. One of them we’ve heard is pouring salt down drains. Or flushing boiling salt water down drains.

We recommend you don’t dry this. It can be potentially dangerous to pour boiling water into drains. Sure you might find a website or two that suggests this, but there certainly is no consensus on this idea from professional plumbers. Remember that salt can be a corrosive element and copper pipes are the most vulnerable to corrosion from exposure to salt water. The copper reacts with the salt, which can change the structure of the material. Galvanized steel and cast iron also react to salt water exposure, but they are a little more resistant than copper.

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