A perfectly maintained swimming pool is your personal backyard oasis—but without the right water temperature, that refreshing dip can quickly turn uncomfortable. Whether you’re gearing up for early ...

Using a pool thermometer can help determine the water’s temperature, but without knowing what the ideal pool temperature is, the reading will be about as useful as an educated guess. Outside of ...

BTU, or British Thermal Units, is the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. To determine how many BTUs you need to heat your pool ...

Thus, if we know the temperature of one object (call it a thermometer), and it is in thermal equilibrium with water around it, which will occur after enough time has passed, we also know the ...