I finally found what was causing this..

The video effectively demonstrates a common household problem and presents a satisfying solution using a visually engaging cleaning process. The creator's relatable sentiment of "wishing they bought it sooner" adds to the appeal.

The video shows a person using a handheld steam cleaner to remove stubborn grime and stains from a bathtub. The creator expresses regret for not purchasing the cleaning device sooner, highlighting its effectiveness.