# Readers ask: Vallecitas How Much Evaporation Over 15,000 Square Feet In San Marcos Ca?

## How do you calculate evaporation rate?

Subtract the new cylinder reading from the original reading. This reflects the volume of liquid that has evaporated. For example, 500 mL – 495 mL = 5 mL. Divide the volume of liquid that evaporated by the amount of time it took to evaporate.

## What is normal evaporation in a swimming pool?

The average pool water evaporation rate is about a quarter of an inch of water per day or more than two inches in a week, which on a 33′ x 18′ swimming pool (an average pool size) is more than 2500 liters or approximately 600 gallons a week; this may vary depending on your climate and the factors listed above.

## What is the average evaporation rate of water?

Average Evaporation On average a water feature will lose ½% to 1% of the gallons pumped per hour in a day.

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## How do you calculate the evaporation loss of a swimming pool?

For example, if your measurement was in inches per day, simply divide that by 12 to convert it to feet per day. Next, multiply that value by the surface area of your pool and then by 7.48 to get gallons per day.

## What is the unit of evaporation rate?

Units. The evapotranspiration rate is normally expressed in millimetres (mm) per unit time. The rate expresses the amount of water lost from a cropped surface in units of water depth. The time unit can be an hour, day, decade, month or even an entire growing period or year.

## What is the evaporation rate?

Safety Data Sheets: An evaporation rate is the rate at which a material will vaporize (evaporate, change from liquid to vapor) compared to the rate of vaporization of a specific known material. This quantity is a ratio, therefore it is unitless.

## Why is the water level in my pool dropping?

No matter which season you are in, your pool can lose inches of water a week. Natural causes such as wind, heat and humidity can contribute to pool water loss. This is a big deal, because if your water level gets too low it may cause your pool pump to suck air and run dry, which can damage it.

## How often should you have to add water to your pool?

How often should I have to fill my pool? This will vary depending upon several factors including: weather, if the pool is covered or not, bather load, and if it is heated or not. With pools that are covered, a good rule of thumb is that they should not have to be refilled more often than once every 2 weeks.

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## How do I know if my pool is leaking or evaporating?

Common Signs Of A Leaking Pool

1. Water Level Changes. Dropping water level is the clearest sign a pool is leaking, but it’s important to determine if the water loss is due to evaporation or a leak.
2. Cracks or Falling Tile.
3. Wet Spots in Yard.
4. High Water Bills.
5. Water Under Equipment.
6. Air or Dirt Blown Into Pool.
7. Algae Growth.

## What is considered a high evaporation rate?

Substances with an evaporation rate of 3.0 (three times the evaporation of normal butyl acetate), such as acetone (5.6), hexane (8.3), or methyl ethyl ketone or MEK (3.8), are known as “fast evaporating.” Substances with an evaporation rate between 0.8 and 3.0, such as ethyl alcohol (1.4) or VM&P naphtha (1.4), are

## What is the evaporation rate of boiling water?

Historically the target was 10%–15% evaporation over 90 min of boiling, but modern brewers tend to boil for a little over 1 h; as a result, evaporation of 6%–8% of the total liquid volume is now more usual.

## How do I calculate water loss?

Pool Water Loss Formula Multiply the length (L) times width (W) times the amount of the water loss (WL) in inches times. 6233 for a rectangular pool. Example: L-32′ x W-18′ x WL 2″ x. 6233 = 718.04 gallons in 24 hours.

## How do I calculate how much water is in my pool?

Length x width x depth x 7.5 = volume (in gallons) Length times width gives the surface area of the pool. Multiplying that by the depth gives the volume in cubic feet. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool, expressed in gallons.

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## How much water can a pool lose due to evaporation?

If pool owners or maintenance workers are constantly filling up the pool, there may be a leak. On average, swimming pools lose about a quarter of an inch of water each day, yet variations in wind intensity, humidity and sunlight can drastically change water loss rates.