The formula to calculate the Water Change (WC) is:
\[ WC = \frac{WCV}{WT} \times 100 \]
Where:
Water change refers to the process of replacing a portion of the water in an aquarium or tank with fresh water. This is done to maintain water quality and ensure a healthy environment for aquatic life. The water change percentage helps determine how much water needs to be replaced to achieve the desired water quality.
Let's say the volume of the water change (WCV) is 20 liters, and the volume of the tank (WT) is 100 liters. Using the formula:
\[ WC = \frac{20}{100} \times 100 = 20 \]
So, the Water Change (WC) is 20%.