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Swimming Pools

Want to take a dip the pool on a hot day? Have it ready! Questions in this category are about swimming pool sanitation and equipment. Some things you can ask about are automatic pool cleaners, skimmers, filters, brushes, chemicals, tests, technical questions on filtration equipment and more.

6,271 Questions

What should the Delta T temperature difference be between the water inlet and the water outlet on a swimming pool heat pump?

The Delta T temperature difference between the water inlet and outlet on a swimming pool heat pump typically should be around 5 to 10 degrees Fahrenheit (about 3 to 5 degrees Celsius). A Delta T within this range indicates that the heat pump is operating efficiently, transferring heat effectively from the water. If the difference is significantly lower or higher, it may indicate issues with the heat pump or circulation system. Regular monitoring can help ensure optimal performance.

How many laps in a standard pool equal one mile?

In a standard Olympic swimming pool, which is 50 meters long, it takes 32 laps (or 64 lengths) to equal one mile, since one mile is approximately 1,609 meters. In a standard short course pool, which is 25 meters long, it takes 64 laps (or 128 lengths) to cover a mile.

How much water in a 18 ft by 4 ft swimming pool?

To calculate the volume of water in an 18 ft by 4 ft swimming pool, you also need the depth of the pool. Assuming the pool is uniformly 4 feet deep, the volume can be calculated using the formula for the volume of a rectangular prism: length × width × height. Thus, the volume would be 18 ft × 4 ft × 4 ft = 288 cubic feet. Since there are about 7.48 gallons in a cubic foot, the pool would hold approximately 2,155 gallons of water.

How much shock powder should you put in a 15ft by 42 pool?

To determine the appropriate amount of shock powder for a 15ft by 42in pool, you typically need about 1 pound of shock per 10,000 gallons of water. A pool of that size holds approximately 4,500 gallons. Therefore, you would use about 0.45 pounds (or approximately 7.2 ounces) of shock powder. Always refer to the specific product instructions for precise dosing, as concentrations can vary.

Can you add muriatic acid and no phos (phosfree) at the same time?

No, you should not add muriatic acid and a product labeled as "no phos" (phosphate-free) at the same time. Muriatic acid, which is a strong acid, can react with other chemicals, potentially causing harmful reactions or reducing the effectiveness of the other product. It's best to add them separately and allow time for the first chemical to disperse before introducing the second. Always follow safety guidelines and product instructions when handling chemicals.

How much super shock do you need for a 33 ft round pool?

For a 33-foot round pool, you'll typically need about 2 to 3 pounds of pool shock to effectively treat the water, depending on the current chlorine levels and the specific product you are using. It's essential to follow the manufacturer's instructions on the label, as different brands may have varying concentrations. Always test your water after shocking to ensure proper chemical balance.

How do you heat an 11x7 meter indoor swimming pool using a diesel heater or heat pump?

To heat an 11x7 meter indoor swimming pool, you can use a diesel heater by installing it near the pool and connecting it to the pool's circulation system. The heater will burn diesel fuel to warm the water, which is then pumped into the pool. Alternatively, a heat pump can be used, which extracts heat from the surrounding air and transfers it to the pool water; this is more energy-efficient, especially in moderate climates. Ensure proper insulation and cover the pool when not in use to retain heat and improve efficiency.

How many gallons are in a circle pool with a diamenter of 33 feet and depth is 4 feet?

To find the volume of a circular pool, use the formula for the volume of a cylinder: ( V = \pi r^2 h ). For a pool with a diameter of 33 feet, the radius is 16.5 feet. Thus, the volume is ( V = \pi (16.5)^2 (4) \approx 3,415.1 ) cubic feet. Since there are about 7.48 gallons in a cubic foot, the pool holds approximately 25,552 gallons.

Does a three foot pool have to have a fence around it?

Whether a three-foot pool needs a fence depends on local regulations and safety laws, which can vary by location. Many municipalities require any pool, regardless of size, to have a barrier to prevent accidental drowning, especially for homes with young children. It's important to check local building codes and homeowners' association rules to ensure compliance. Additionally, installing a fence can enhance safety, even if it’s not legally mandated.

What is the purpose of the solar pool cover?

The purpose of a solar pool cover is to retain heat in the pool and reduce evaporation. It captures sunlight during the day, warming the water, and helps to maintain a comfortable temperature for swimming. Additionally, it minimizes debris accumulation and reduces chemical use by limiting exposure to the elements. Overall, a solar pool cover enhances energy efficiency and extends the swimming season.

When does the oak ridge pool open?

The opening date for the Oak Ridge Pool typically varies each year, often aligning with local school schedules and weather conditions. Generally, it opens in late spring, around Memorial Day weekend. For the exact opening date, it's best to check the official Oak Ridge community or recreation department website, as they provide the most current information.

What is a natural seaside pool called?

A natural seaside pool is often referred to as a "tidal pool" or "rock pool." These formations are created in rocky coastal areas where seawater is trapped as tides recede, allowing for a unique ecosystem to flourish. They are popular for exploration and observing marine life. In some regions, these pools may also be called "natural swimming pools" if they are designed for swimming purposes.

Do gunite pools pop up?

Gunite pools can experience issues like "popping" or floating if the water table rises significantly or if the pool is not properly drained during heavy rains. This occurs because the buoyant force of the groundwater can lift the pool structure from its foundation. To prevent this, proper drainage systems and regular maintenance are essential. If you notice any signs of movement or popping, it's important to consult a pool professional immediately.

When You see a child at the bottom of the pool?

If I see a child at the bottom of a pool, I would immediately assess the situation to ensure it's safe to intervene. I would quickly dive in to retrieve the child while yelling for help if others are nearby. Once I have the child, I would perform rescue breaths and check for responsiveness, calling emergency services if needed. Ensuring the child's safety and well-being is the top priority.

What is a minimum comfortable walkway around the swimming pool?

A minimum comfortable walkway around a swimming pool should be at least 3 to 4 feet wide. This width allows for safe movement, provides space for lounging or placing poolside furniture, and accommodates multiple users at once. Additionally, the walkway should be made of non-slip materials to enhance safety.

Should the pool vessel be on filtration or circulation?

The pool vessel should be set to circulation when you want to distribute chemicals evenly throughout the water and ensure that the water is moving. Filtration mode is used to remove debris and contaminants from the water, so it should be employed when the pool needs cleaning. For routine maintenance, circulation is typically sufficient, while filtration is necessary after heavy use or storms.

How many colours are in a pool game?

In a standard game of pool, specifically eight-ball, there are a total of 16 balls: 15 object balls and one cue ball. The object balls are divided into two groups: solids (1-7) and stripes (9-15), along with the 8-ball, which is black. Therefore, there are 7 solid colors and 7 striped colors, plus the white cue ball, making a total of 15 colors in the game.

Can pool test strips be used in salt water and chlorine pools?

Yes, pool test strips can be used in both salt water and chlorine pools. However, it's important to choose test strips specifically designed for the type of pool you have, as the chemical compositions can differ. While most strips will measure chlorine levels accurately, saltwater pools may require strips that also test for salt levels. Always follow the manufacturer's instructions for best results.

How do you know the amount of alkalinty in a pool?

To determine the alkalinity of a pool, you can use a water testing kit or test strips specifically designed for pool chemistry. These tests measure the total alkalinity, usually expressed in parts per million (ppm), which indicates the pool's ability to resist changes in pH. A suitable range for pool alkalinity is typically between 80-120 ppm. Regular testing helps maintain balanced water chemistry and ensures a comfortable swimming environment.

How much markup by pool repair companies?

Markup by pool repair companies can vary widely, typically ranging from 10% to 50% above the cost of materials and labor. Factors influencing markup include the company's overhead, the complexity of the repairs, and regional market conditions. Higher markups may be seen for specialized services or urgent repairs. It's advisable for homeowners to obtain multiple quotes for comparison.

How far are the goggles from the edge of the pool?

To determine how far the goggles are from the edge of the pool, you need to measure the distance directly. If you have a reference point or known measurements, you can calculate the distance accordingly. Without specific measurements or context, it's impossible to provide an accurate answer.

How many ft across is a 33ft around pool?

To find the diameter of a pool that is 33 feet around (circumference), you can use the formula for circumference, which is (C = \pi \times d). Rearranging this gives (d = \frac{C}{\pi}). Thus, the diameter would be approximately ( \frac{33}{3.14} \approx 10.5) feet across.

How do you install pool skimmer in grain bin pool?

To install a pool skimmer in a grain bin pool, first, ensure the bin is cleaned and free of debris. Cut an opening in the sidewall of the bin, ensuring it's positioned at the waterline for optimal skimming. Install the skimmer according to the manufacturer's instructions, securing it tightly to prevent leaks. Finally, connect the skimmer to the filtration system to maintain clean water.

How much flock do you put in a 20 foot by 40 foot pool?

The amount of flock you should use in a 20-foot by 40-foot pool typically depends on the specific product instructions, but generally, you would use about 1 pound of flock for every 10,000 gallons of water. A pool of this size holds approximately 30,000 gallons, so you would need around 3 pounds of flock. Always follow the manufacturer's guidelines for optimal results.

How much de do you need for a 18x36 inground pool filter?

The amount of DE (diatomaceous earth) needed for an 18x36 inground pool filter typically ranges from 1 to 2 pounds per square foot of the filter's surface area. To determine the exact amount, check the filter's specifications, as they often indicate the recommended DE amount. Generally, an 18x36 pool may require about 4 to 6 pounds of DE, depending on the filter model. Always consult your filter's manual for precise guidelines.