Why it worked
The video provides a satisfying, step-by-step guide to setting up an aquarium, which appeals to a niche but engaged audience. The use of multiple popular aquarium brands and the creator's relatable "addiction" narrative likely contributed to its shareability.
Summary
The creator sets up a new 6-gallon betta fish tank, adding substrate, driftwood, and plants. They then add water conditioner and bacteria, install a filter and heater, and finally attach a clip-on light.