Pool Water Evaporation Calculator

Evaporation Formula:

\[ Evaporation = SA \times ER \times 7.48 / 12 \]

Evaporation:

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1. What is Pool Water Evaporation?

Pool water evaporation is the natural process where water turns from liquid to vapor and escapes from the pool surface. Understanding evaporation rates helps pool owners manage water levels, chemical balance, and maintenance schedules.

2. How Does the Calculator Work?

The calculator uses the evaporation formula:

\[ Evaporation = SA \times ER \times 7.48 / 12 \]

Where:

\( SA \) — Surface area of the pool (square feet)
\( ER \) — Evaporation rate (inches per day)
\( 7.48 \) — Conversion factor (gallons per cubic foot)
\( 12 \) — Conversion factor (inches to feet)

Explanation: The formula calculates daily water loss by converting the evaporation depth to volume using the pool's surface area and unit conversions.

3. Importance of Evaporation Calculation

Details: Accurate evaporation calculation helps pool owners determine proper water replacement schedules, maintain chemical balance, conserve water, and identify potential leaks by distinguishing normal evaporation from abnormal water loss.

4. Using the Calculator

Tips: Enter pool surface area in square feet and evaporation rate in inches per day. Typical evaporation rates range from 0.1 to 0.25 inches per day depending on climate conditions.

5. Frequently Asked Questions (FAQ)

Q1: What is a normal evaporation rate for pools?
A: Normal evaporation rates range from 0.1 to 0.25 inches per day, depending on temperature, humidity, wind speed, and pool water temperature.

Q2: How can I reduce pool evaporation?
A: Use pool covers, reduce water temperature, install windbreaks, and maintain proper chemical balance to minimize evaporation.

Q3: How do I measure my pool's surface area?
A: For rectangular pools: length × width. For circular pools: π × radius². For oval pools: length × width × 0.8.

Q4: When is evaporation highest?
A: Evaporation is highest during hot, dry, windy days when the air temperature is significantly cooler than the water temperature.

Q5: How can I tell if water loss is due to evaporation or a leak?
A: Perform the bucket test - place a bucket filled with pool water on the pool step and compare water loss between the bucket and pool over 24 hours.