3. Aesthetic considerations.
Some believe that the installation of an aluminum ball on the toilet cistern is simply a decorative element that gives the toilet an unusual appearance. This explanation is perhaps the most unusual, but it can serve as an intriguing experiment for creative people who want to add personality to everyday objects.
4. Internet joke or meme
Finally, it is possible that this is an Internet joke or meme that has become popular and spread across the Web. Sometimes these phenomena go viral and many users imitate them without fully understanding the reasons.
Conclusion
In conclusion, the presence of an aluminum ball in the toilet bowl can have several explanations, and the true cause probably depends on each individual case. However, it is important to note that regardless of the explanation, this practice cannot be considered scientifically valid or recommended by plumbing professionals. If in doubt about certain plumbing decisions, it is always best to consult a professional plumber to avoid unforeseen problems and unpleasant consequences.