It might be useful when combined appropriately with other cleaning methods.
But it shouldn’t be treated as a replacement for proper maintenance.
A toilet that is cleaned regularly is much less likely to develop stubborn buildup than one that is neglected for months.
That’s the real “secret.”
Consistency matters more than a special ingredient.
What Happens If You Put Salt in the Toilet?
If you pour ordinary table salt into the toilet, the granules will eventually dissolve in the water.
If you use enough salt to create a noticeable abrasive effect, some of the granules may temporarily remain on surfaces.
But simply pouring salt into the bowl and flushing immediately isn’t likely to produce dramatic results.
The salt doesn’t travel through the plumbing like a cleaning army scrubbing every pipe.