Maintaining a healthy aquarium environment is vital for the well-being of its inhabitants, especially for species like guppies. These vibrant, lively fish are popular among aquarium enthusiasts for their stunning colors and easy care. However, ensuring their optimal health goes beyond basic feeding and tank maintenance. One critical aspect that often comes into play is water temperature. Guppies are tropical fish, naturally inhabiting warmer waters. This biological background raises questions about whether they truly require a heater in their aquarium to thrive. While guppies can survive in a range of temperatures, their comfort and overall health can significantly improve when they are kept in a stable, appropriate temperature range. Fluctuations…