personal impressions are not always reliable evidence of cause and effect.
Videos show results, not necessarily proof
A short video may show a clean bowl or a successful flush, but it usually cannot establish what the toilet was like beforehand, whether the result lasted, or whether the foil made a difference.
That’s why repeatable testing and sound mechanical explanations matter more than an impressive before-and-after clip.
7. What Should You Do Instead?
If your goal is a cleaner toilet, fewer leaks, or a lower water bill, there are better-supported ways
