Understanding Pool Contractor Licenses and Certifications

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How to Keep Your Pool Safe for All Ages

The contractor will typically review your property's layout, assess any site-specific challenges, and suggest potential designs that suit your space and lifestyle. Best pool installer nashville TN. Renovated pools also signal that the property is well-maintained, boosting buyer confidence. Consulting with a professional can help ensure you choose a system that meets your specific needs."

Understanding Pool Contractor Licenses and Certifications - Rebar Reinforcement

  1. Water Treatment Experts
  2. Seasonal Pool Opening & Closing
  3. Gunite Application
  4. Vinyl Liner Pools
  5. Palm Trees & Tropical Plants
  6. Jacuzzi Jets
  7. Outdoor Furniture
"There are various pool types to consider, each offering unique features and benefits.

Although fiberglass pools have fewer customization options than concrete, their durability and cost-effectiveness make them a smart investment for many homeowners looking for a long-lasting, easy-to-maintain pool." Commercial pools, on the other hand, require daily attention to ensure water quality, frequent chemical testing, and consistent inspection of safety equipment.

"Selecting a qualified pool renovation contractor is critical for a successful project. While both types of pools can benefit from periodic resurfacing and equipment upgrades, the more intensive use and regulatory demands on commercial pools often result in a shorter overall lifespan." Best nashville pool builders TN.

A service technician will typically inspect the equipment or structure to confirm the issue is covered under the warranty terms.

"Residential and commercial pools differ significantly in size, usage patterns, and regulatory requirements. By retrofitting your pool with these modern technologies, you enhance its functionality and make day-to-day management easier and more cost-effective." Once installed, regular maintenance, including water balancing and cleaning filters, will keep your spa in top condition, providing a soothing escape for years to come." "Concrete pools are highly valued for their durability, strength, and limitless design potential.

Understanding Pool Contractor Licenses and Certifications - Pool Cabanas

  1. Leaf Nets & Skimmers
  2. Tanning Ledges
  3. Saltwater Pools
  4. Plunge Pools
  5. Pool Decking


"Maintenance requirements differ greatly between residential and commercial pools due to usage frequency, size, and regulatory oversight. Incorporating built-in seating, tanning ledges, or integrated spas adds to the cost but also enhances functionality and appeal.

When speaking with references, ask about the contractor's communication, adherence to timelines, and overall craftsmanship. Reputable contractors stand by their work and are willing to address problems promptly.

"Several factors influence the overall cost of building a pool. best pool contractor Nashville,TN.

Plunging Pools

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Wallaby Pools


What to Know About Pool Contractor Warranties

Using a thermal pool cover at night prevents heat from escaping, while also reducing evaporation. "Vinyl pools have become a popular option among homeowners due to their affordability, versatility, and smooth surface. Keeping the pump's motor and seals in good condition by inspecting them periodically and lubricating O-rings will help prevent costly repairs. To avoid surprises, it's important to budget for contingencies, get detailed estimates, and maintain open communication with your contractor throughout the project."

"Modern energy-saving pool equipment includes variable-speed pumps, high-efficiency heaters, LED lighting, and advanced automation systems. "Certain pool features are well worth the investment when upgrading.

By taking care of your pool cover, you'll protect your pool and make maintenance easier year-round." best pool company Nashville TN. While these upgrades improve functionality, aesthetics, and convenience, it's essential to factor them into your overall pool budget.

Smaller pools, such as plunge or cocktail pools, are better suited for limited spaces or those who prefer a more intimate setting.



Understanding Pool Contractor Licenses and Certifications - Rebar Reinforcement

  1. Concrete Pools
  2. Pool Loans
  3. Swim Jets
  4. Tile & Mosaics
  5. Pool Shock Treatments
  6. Filter Cleaning
What to Know About Pool Contractor Warranties
How to Design a Pool That Complements Your Home’s Architecture

How to Design a Pool That Complements Your Home’s Architecture

"Preventing leaks and damage in your pool requires routine inspections and timely repairs. In regions with freezing temperatures, winterizing the pool is essential. Permit fees, inspections, and landscaping adjustments might also increase expenses. "Smart pool technology simplifies maintenance and enhances the overall pool experience.

Algae growth can be controlled by maintaining proper sanitizer levels, brushing affected areas, and using an algaecide. When contacting potential contractors, pay attention to their communication and willingness to answer questions.

Their smooth, non-porous surface helps prevent algae buildup, which means fewer chemicals and less cleaning. "Adding features such as waterfalls, LED lighting, and integrated hot tubs can transform your pool into a luxurious backyard retreat.

They can quickly address issues like algae growth, cloudy water, or malfunctioning pumps before they become major problems.

The Role of Pool Covers in Maintaining Water Quality

Educating all pool users on safe behavior-such as no running on wet surfaces and no diving in shallow areas-further reduces risks. Highlighting a valid pool warranty in your home listing demonstrates that the pool has been well-maintained and professionally cared for." "Pool safety codes can vary significantly depending on the region, reflecting differences in climate, local regulations, and community priorities. Installation begins with choosing the right spa size and type-either built-in or freestanding-based on your available space and budget.

Understanding Pool Contractor Licenses and Certifications - Rebar Reinforcement

  1. Pool Inspectors
  2. Pool Cabanas
  3. Above Ground Pools
  4. Rebar Reinforcement
  5. Skimmers & Drains


However, they may require more frequent liner replacements, adding to long-term costs. A properly cared-for cover prevents debris, dirt, and contaminants from entering the water, reducing the workload on your filtration system.

Adding native, drought-resistant plants around the pool helps manage runoff and prevents erosion. Obtain detailed written estimates that include materials, labor, and project timelines.

The concrete is then sprayed or poured into place, allowed to cure, and finished with a surface material like plaster or tile.

The Role of Pool Covers in Maintaining Water Quality
The Importance of Proper Pool Water Chemistry
The Importance of Proper Pool Water Chemistry

Key parameters include pH, total alkalinity, calcium hardness, and sanitizer levels. "Adding a spa to your pool area can transform it into a relaxing retreat. "Regular pool inspections are crucial for maintaining a safe and functional swimming environment. Vinyl pools are usually the most affordable upfront, but periodic liner replacements add to long-term expenses.

Each option has its pros and cons, so homeowners should weigh the initial costs, long-term maintenance, and water quality benefits before making a decision." By choosing a seasoned professional, you increase the likelihood of a successful, well-executed pool installation."

Understanding Pool Contractor Licenses and Certifications - Skimmers & Drains

  1. Saltwater Generators
  2. Pool Skimmers
  3. Water Testing & Chemical Safety
  4. Self-cleaning Pools
  5. Natural Pools
  6. Liability Insurance


Routine inspections of heaters, chlorinators, and automation systems help catch potential issues early. Concrete's porous nature can lead to more frequent cleaning and chemical balancing, as well as occasional resurfacing.

"During your initial meeting with a pool contractor, you can expect to discuss your vision, budget, and timeline for the project.

How to Install an Energy-Efficient Pool Heater

Additionally, if you lack the time or knowledge to maintain your pool effectively, scheduling regular professional service can help keep your pool in top condition without added stress." Solar heating can extend your swimming season, ensuring that your pool remains warm and inviting for more months out of the year. With proper setup and ongoing maintenance, your above-ground pool will provide years of family fun." Additional features such as ADA-compliant ramps, ample deck space, and non-slip surfaces ensure accessibility and safety for all patrons.

Understanding Pool Contractor Licenses and Certifications - Skimmers & Drains

  1. Pool Builders
  2. Lifeguard Equipment
  3. Home Equity Loans for Pools
  4. Pool Filters
  5. Pool Coping
  6. Hydraulic Systems


"Working with a professional pool contractor not only ensures quality construction but also helps you stay on budget. Additionally, LED lights produce less heat, which can help maintain consistent water temperatures and reduce the strain on cooling systems.

The increased water volume also means higher long-term maintenance and energy costs. In hot climates, higher temperatures can lead to faster evaporation, unbalanced chemicals, and increased algae growth-requiring more frequent water testing and cleaning.

When planning your pool project, it's crucial to consider not only the initial price but also long-term maintenance, repairs, and potential upgrades, so you can budget accordingly and avoid unexpected surprises."

How to Install an Energy-Efficient Pool Heater
A 5-seat hot tub with a cast acrylic shell, supported by a frame structure, showing vents for water circulation and massage
Outdoor hot tubs
 

A hot tub is a large tub full of water used for hydrotherapy, relaxation or pleasure. Some have powerful jets for massage purposes. Hot tubs are sometimes also known as "spas" or by the trade name Jacuzzi.[1] Hot tubs may be located outdoors or indoors.

In contrast to a typical bathtub, a hot tub is designed to be used by more than one person at a time, with many models accommodating four or more people. Unlike baths, soaps and shampoos are not used in wet-jetted hot tubs (although they can be used in air-jetted hot tubs). Home hot tubs are often closer in construction to standard bathtubs, while the construction of a public hot tub often has more in common with a swimming pool, of which it can be considered a type.

History

[edit]

The earliest hot tubs were calderas in which hot stones were placed to heat the water.[citation needed] Therma in Ikaria has been a very popular place particularly for hydrotherapy ever since the 4th century B.C.[2] The remains of wrecked marble bathtubs along with a prehistoric aqueduct that have been unearthed from this area bear ample testimony of the place's popularity in the ancient times.[2]

In 737 A.D., Japan's first onsen opened near Izumo, Shimane, and centuries later, the first ryokan (inns) were built, offering food, accommodations, and soaking tubs called ofuro.

In ancient Rome, there were three types of baths: Baths at home (balnea), private baths (balnea privata), and public baths (balnea publica). The practice of bathing was so engrained that the Roman legions, during their long occupations in foreign lands, built their own baths at mineral and thermal springs in the newly conquered lands. Examples are found all over Europe.[3]

In the 1940s, hot tubs began to appear in the US, inspired by the Japanese ofuro. Hydrotherapy pumps were introduced by Jacuzzi. Fiberglass shell hot tubs appeared around 1970 and were soon superseded by cast acrylic shells.

Water treatment

[edit]

Plumbing

[edit]

The plumbing of the hot tub consists of:

  • A pressure system delivering water to the jets.
  • A suction system returning water to the pumps.
  • A filtration system: the plumbing has to incorporate a filter system to help clean the water. Some models use a separate small 24/7 filter pump while others use programmed settings of the main pumps.
  • Induced air: The jets may use a venturi effect to incorporate air into the water stream for a lighter massage effect; this requires another set of hoses.
  • Some models use an air blower to force air through a separate set of jets for a different "bubbly" massage effect; this is a separate system from the induced air.
  • An ozone system: ozonation is a common adjunct to water maintenance, and if installed will have its own set of hoses and fittings.

Heating and energy use

[edit]

Hot tubs are usually heated using an electric or natural gas heater, though there are also submersible wood fire hot tub heaters, as well as solar hot water systems. Hot tubs are also found at natural hot springs; in this case, the water may be dangerously hot and must be combined with cool water for a safe soaking temperature.

Effective insulation greatly improves the energy efficiency of a hot tub. There are several different styles of hot tub insulation: some manufacturers fill the entire cabinet with foam, while others insulate the underside of the shell, the inside of the cabinet, or both. Many manufacturers advertise the superiority of their approach to insulation, but few independent side-by-side comparisons are available. The hot tub pump and hot tub heater represent most of the power consumption in a hot tub and vary in use of power depending on their size.[4]

Energy efficiency of portable hot tubs has been studied by the Pacific Gas and Electric Company (PGEC),[5] leading to industry responses[6] and interest from both the California Energy Commission and Natural Resources Canada.[citation needed] California's portable electric hot tub listing[5] include R values of thermal insulation, and standby watts.[7][8]

In 2019 an update to the ANSI standard for energy efficiency was approved. For the first time, this new standard increases the minimum energy efficiency level for portable spas and inflatable spas.[9][10] Hot tub covers have been shown to reduce most of the evaporative losses from the pool when not in use. With this component of heat loss being 70%,[11] a cover with even a small R-value is able to achieve as much as a 75% reduction in heating costs when used as opposed to leaving the water surface exposed.[12]

There are several different types of spa covers. Some covers are better for insulation and therefore are lighter on internal parts and energy efficiency. Some examples of covers are insulated, aluminum, rolling, or a tonneau.[citation needed]

Sanitation and water quality

[edit]

Since some hot tubs are not drained after each use it is necessary to treat the water to keep it attractive and safe. It must be neither too alkaline nor too acidic, and must be sanitised to stay free of harmful microorganisms. Partly due to their high water temperatures, hot tubs can pose particular health risks if not regularly maintained: outbreaks of Legionnaires' Disease have been traced to poorly sanitized hot tubs.[13] Typically chlorine or bromine are used as sanitizers, but salt water chlorination is starting to become more common.

Sanitation can also be aided by a non-chemical ozonator.

For aesthetic reasons, and for the sanitizer to work properly, water should be neither too alkaline nor too acidic (low pH). The hardness level of the water, measured as the amount of dissolved calcium, is also important. Insufficient hardness can lead to corrosion and water foaming. The ideal range of calcium hardness levels in a hot tub or spa water should be between 150 and 250 ppm (parts per million)[citation needed]

Types

[edit]
Wooden hot tub on a trailer, Finland.
  • Portable vinyl-liner hot tub: these are cheaper and smaller, and require less power, e.g. 110–120 V 15 A household power circuits in North America.[citation needed]
  • Roto-molded hot tubs are constructed with the shell and surrounding cabinet as a single piece. They have molded seating.[14]
  • Acrylic: these hot tubs have a cast acrylic shell, supported by a frame structure, and are usually surrounded by a skirt of either cedar or simulated wood-grain plastic. They typically can seat two to seven persons or more.[citation needed][15]
  • Cement: hot tubs can also be built of cement, above-ground, or in-ground like a small swimming pool.[citation needed]
  • Wooden hot tubs: round wooden hot tubs peaked in popularity in the 1970s, having now been replaced by modern construction methods. Wooden hot tubs are often made of redwood or cedar and assembled from vertical staves and the structure is held together like wooden barrels, with metal bands.[14]
  • Stainless steel hot tubs can be made in any shape and size and are extremely durable.[16]
  • Fiberglass hot tub: glass-reinforced polyester (GRP) hot tubs are made of a plastic matrix reinforced by fine fibers of glass.[citation needed]
  • Inflatable PVC hot tubs. An inflatable hot tub is an air-filled spa structure. Air is pumped into a vinyl skin that expands and creates a solid form. Most commonly round in shape.[17][18]

Safety

[edit]

Sitting in water above normal body temperatures can cause drowsiness which may lead to unconsciousness and subsequently result in drowning. The U.S. Consumer Product Safety Commission (CPSC) recommends that water temperatures never exceed 40 degrees Celsius (104 °F). A temperature of 37 degrees Celsius (100 °F) is considered safe for a healthy adult. Soaking in water above 39 degrees Celsius (102 °F) can cause fetal damage during the first three months of pregnancy.[19]

It is also recommended to install residual-current devices for protection against electrocution. The greater danger associated with electrical shock in the water is that the person may be rendered immobile and unable to rescue themselves or to call for help and then drown.[20]

Hot tubs and spas are equipped with drains that can create powerful suction and between 1980 and 1996, the CPSC had reports of more than 700 deaths in spas and hot tubs, about one-third of which were drownings to children under age five. In the same period 18 incidents were reported to the CPSC involving body part entrapment. To reduce the risk of entrapment, US safety standards require that each spa have two drains for each pump, reducing the amount of suction.[21] From 1999 to 2007 there were 26 reports to the CPSC concerning circulation entrapments hot tubs and spas, including three deaths.[22]

In 2001[23] and in 2012[24] the CPSC issued recalls for spa heaters which overheated and caused fires.

The Uniform Swimming Pool, Spa and Hot Tub Code is a model code developed by the International Association of Plumbing and Mechanical Officials (IAPMO) to govern the installation and inspection of plumbing systems associated with swimming pools, spas and hot tubs as a means of promoting the public's health, safety and welfare.[25]

Disease risk

[edit]

Poorly sanitized hot tubs have been linked to a number of diseases, principally caused by facultative anaerobic bacteria. Such incidents include hot tub folliculitis and legionellosis.[26][27]

[edit]

See also

[edit]

References

[edit]
  1. ^ "Has jacuzzi become a generic trademark?". genericides.org. Archived from the original on March 6, 2021. Retrieved March 2, 2021.
  2. ^ a b Ikaria: The Ancient Spa of Therma in Ikaria Greece, Eastern Aegean, Greeka.com.
  3. ^ Schadewalt H. The history of Roman bathing culture [in Dutch]. Integraal1989;4:25–35
  4. ^ "Tips to Improve Hot Tub Energy Use" (PDF). Retrieved 18 October 2014.
  5. ^ a b Pacific Gas and Electric Company (May 12, 2004), Analysis of Standards Options For Portable Electric Spas (PDF), California Energy Commission, archived from the original (PDF) on 2006-10-06, retrieved 2008-09-09 (archived from the original on 2006-10-06).
  6. ^ Katherine Wang and Joshua Keim (September 2007). Turning Up the Heat. Poolspanews.com. Retrieved on 2012-08-10.
  7. ^ "List of portable electric hot tubs approved for sale in California". Archived from the original on Oct 27, 2008.
  8. ^ California's current appliance efficiency regulations. energy.ca.gov (2006).
  9. ^ Megan Geuss (January 13, 2020), Updated hot tub standard could bring surprisingly big energy savings to states, Appliance Standards Awareness Project, retrieved 2020-05-14
  10. ^ ANSI/APSP/ICC-3 "Permanently Installed Residential Spas" (PDF), American National Standards Institute, January 8, 2018
  11. ^ "Shutting down your hot tub to save electricity?". 2023-01-28.
  12. ^ "Shutting down your hot tub to save electricity?". 2023-01-28.
  13. ^ BBC (12 March 2013). "Stoke-on-Trent Legionnaires' deaths: Report calls for hot tub review". BBC News. Retrieved April 20, 2013.
  14. ^ a b Chahine, Aline (2020-08-13). "9 Types of Hot Tubs to Consider For Your Future Home". Architecture Lab. Retrieved 2021-04-20.
  15. ^ Samaan, Payal (9 July 2021). "What are Acrylic Hot Tubs". Allstate Home Leisure.
  16. ^ "The Best Hot Tubs for the Home". Bob Vila. 2020-10-28. Retrieved 2021-04-20.
  17. ^ Bob Barton (August 2016), "Recent Work on the Design and Construction of Air Inflated Structures", Procedia Engineering, 155, Science Direct: 47–60, doi:10.1016/j.proeng.2016.08.006
  18. ^ What Makes An Inflatable Spa Different From A Regular Spa?, 24 May 2020
  19. ^ "CPSC Warns Of Hot Tub Temperatures". U.S. Consumer Product Safety Commission. Archived from the original on 11 October 2011. Retrieved 2 December 2012.
  20. ^ "Install Ground-Fault Circuit-Interrupter Protection for Pools, Spas and Hot Tubs" (PDF). U.S. Consumer Product Safety Commission. Archived from the original (PDF) on 15 November 2012. Retrieved 2 December 2012.
  21. ^ "CPSC Issues Warning for Pools, Spas, and Hot Tubs". U.S. Consumer Product Safety Commission. Archived from the original on 2 December 2012. Retrieved 3 December 2012.
  22. ^ "1999–2007 Reported Circulation/Suction Entrapments" (PDF). U.S. Consumer Product Safety Commission. Archived from the original (PDF) on 8 January 2013. Retrieved 3 December 2012.
  23. ^ "2001 Reported Fires Caused by Hot Tubs". U.S. Consumer Product Safety Commission. Retrieved 3 December 2012.
  24. ^ "2012 Reported Fires Caused by Hot Tubs". U.S. Consumer Product Safety Commission. Retrieved 3 December 2012.
  25. ^ 2021 Uniform Swimming Pool, Spa and Hot Tub Code (18 ed.). International Association of Plumbing and Mechanical Officials (IAPMO). February 2021.
  26. ^ "Hot Tub Rash (Pseudomonas/ Folliculitis) | Healthy Swimming | Healthy Water | CDC". www.cdc.gov. 2020-07-01. Retrieved 2021-04-20.
  27. ^ "Respiratory Infections | Healthy Swimming | Healthy Water | CDC". www.cdc.gov. 2021-03-30. Retrieved 2021-04-20.
[edit]

 

Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs. The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already commonly used as sanitizing agents in pools. Hydrogen is produced as byproduct too.

Distinction from traditional pool chlorination

[edit]

The presence of chlorine in traditional swimming pools can be described as a combination of free available chlorine (FAC) and combined available chlorine (CAC).[1] While FAC is composed of the free chlorine that is available for disinfecting the water, the CAC includes chloramines, which are formed by the reaction of FAC with amines (introduced into the pool by human perspiration, saliva, mucus, urine, and other biologics, and by insects and other pests).[2] Chloramines are responsible for the "chlorine smell" of pools, as well as skin and eye irritation. These problems are the result of insufficient levels of free available chlorine, and indicate a pool that must be "shocked" by the addition of 5–10 times the normal amount of chlorine.[1] In saltwater pools, the generator uses electrolysis to continuously produce free chlorine. As such, a saltwater pool or hot tub is not actually chlorine-free; it simply utilizes added salt and a chlorine generator instead of direct addition of chlorine. It also burns off chloramines in the same manner as traditional shock (oxidizer). As with traditionally chlorinated pools, saltwater pools must be monitored in order to maintain proper water chemistry. Low chlorine levels can be caused by insufficient salt, incorrect (low) chlorine-generation setting on the SWG unit, higher-than-normal chlorine demand, low stabilizer, sun exposure, insufficient pump speed, or mechanical issues with the chlorine generator. Salt count can be lowered due to splash-out, backwashing, and dilution via rainwater.

A salt water chlorinated pool at The Villages, Florida.
A salt water chlorinated pool at The Villages, Florida.

Health concerns

[edit]

Research has shown that because saltwater pools still use chlorine sanitization, they generate the same disinfection byproducts (DBPs) that are present in traditional pools. Of highest concern are haloketones and trihalomethanes (THMs) of those the predominant form being bromoform. Very high levels of bromoform—up to 1.3 mg per liter, or 13 times the World Health Organization's guideline values—have been found in some public saltwater swimming pools.[3]

Manufacturers have been producing saltwater chlorine generators in the United States since the early 1980s, and they first appeared commercially in New Zealand in the early 1970s (the Aquatech IG4500).[4]

Operation

[edit]

The chlorinator cell consists of parallel titanium plates coated with ruthenium and sometimes iridium. Older models make use of perforated (or mesh) plates rather than solid plates. Electrolysis naturally attracts calcium and other minerals to the plates. Thus, depending on water chemistry and magnitude of use, the cell will require periodic cleaning in a mild acid solution (1 part HCl to 15 parts water) which will remove the buildup of calcium compound crystals, such as calcium carbonate or calcium nitrate. Excessive buildup can reduce the effectiveness of the cell. Running the chlorinator for long periods with insufficient salt in the pool can strip the coating off the cell which then requires an expensive[clarification needed] replacement, as can using too strong an acid wash.

Saltwater pools can also require stabilizer (cyanuric acid) to help stop the sun's UV rays from breaking down free chlorine in the pool. Usual levels are 20–50 ppm. They also require the pH to be kept between 7.2 and 7.8 with the chlorine being more effective if the pH is kept closer to 7.2. The average salt levels are usually in the 3000-5000 ppm range, much less than the ocean, which has salt levels of around 35,000 ppm.[5] In swimming pools, salt is typically poured across the bottom and swept with the pool brush until it dissolves; if concentrated brine is allowed into the return-water system it can cause the chlorinator cell to malfunction due to overconductivity.

Salt water chlorination produces an excess of hydroxide ions, and this requires the frequent addition of hydrochloric acid (HCl, also known as muriatic acid) to maintain pH.[6]

Benefits and disadvantages

[edit]

The benefits of salt systems in pools are the convenience and the constant delivery of pure chlorine-based sanitizer. The reduction of irritating chloramines versus traditional chlorinating methods and the "softening" effect of electrolysis reducing dissolved alkali minerals in the water are also perceived as benefits. For some people that have sensitivities to chlorine, these systems may be less offensive.

Disadvantages are the initial cost of the system, maintenance, and the cost of replacement cells. Salt is corrosive and will damage some metals and some improperly-sealed stone. However, as the ideal saline concentration of a salt-chlorinated pool is very low (<3,500ppm, the threshold for human perception of salt by taste; seawater is about ten times this concentration), damage usually occurs due to improperly-maintained pool chemistry or improper maintenance of the electrolytic cell. Pool equipment manufacturers typically will not warrant stainless steel products damaged by saline pools. Calcium and other alkali precipitate buildup will occur naturally on the cathode plate, and sometimes in the pool itself as "scaling". Regular maintenance of the cell is necessary; failure to do so will reduce the effectiveness of the cell. Certain designs of saline chlorinators use a "reverse-polarity" method that will regularly switch the roles of the two electrodes between anode and cathode, causing this calcium buildup to dissolve off the accumulating electrode. Such systems reduce but do not eliminate the need to clean the electrolytic cell and the occurrence of calcium scale in the water.

As chlorine is generated, pH will rise causing the chlorine to be less effective. Many systems with chemistry automation can sense the rising pH and automatically introduce either CO2 or hydrochloric acid in order to bring the pH back to the target level.Automation systems will also manage levels of sanitizer by monitoring the ORP or redox levels of the water. This allows only the needed amount of chlorine to be generated based on the demand.

Sodium bromide can be used instead of sodium chloride, which produces a bromine pool. The benefits and downsides are the same as those of a salt system. It is not necessary to use a chloride-based acid to balance the pH. Also, bromine is only effective as a sanitizer, not as an oxidizer, leaving a need for adding a "shock" such as hydrogen peroxide or any chlorine-based shock to burn off inorganic waste and free up combined bromines. This extra step is not needed in a sodium chloride system, as chlorine is effective as both a sanitizer and an oxidizer. A user would only need to "super chlorinate" or increase chlorine production of the cell occasionally. That would normally be less than once a week or after heavy bather loads.

References

[edit]
  1. ^ a b David Short, Fran J. Donegan (2012). Pools and Spas: Planning, Designing, Maintaining, Landscaping. Upper Saddle River, NJ: Creative Homeowner. p. 239. ISBN 978-1-58011-391-5.
  2. ^ "Controlling Chloramines in Indoor Swimming Pools". NSW Government Health. 3 December 2012. Retrieved 20 February 2013.
  3. ^ Beech; et al. (1980). "Nitrates, Chlorates and Trihalomethanes In Swimming Pool Water". Am J Public Health. 70 (1): 79–82. doi:10.2105/AJPH.70.1.79. PMC 1619346. PMID 7350831.
  4. ^ "Salt WaterSwimming Pools".
  5. ^ Salinity – Dissolved Salts, Measuring Salinity Archived 2009-08-26 at the Wayback Machine, windows2universe.org.
  6. ^ https://chem.libretexts.org/Bookshelves/General_Chemistry/ChemPRIME_(Moore_et_al.)/17%3A_Electrochemical_Cells/17.03%3A_Electrolysis_of_Brine
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They do an outstanding job installing beautiful pools and transforming backyards. Winston is exceptional, his communication is top-notch, and he ensures every detail is perfect. Highly recommend!

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Winston Farzan has done excellent work for me several times. He's been able to tackle many different jobs at once. I save jobs for him knowing that I can depend on his expertise!

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Awesome. I watched a small backyard turn into a backyard oasis. The other options for a smaller pool were either fiberglass or refurbished containers. This is an actual concrete pool with automation. Looks great and I love it!

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Frequently Asked Questions

Professional installers ensure that the pool is properly leveled, securely installed, and complies with local codes. They also handle permits and can provide warranties for peace of mind.

Nashville pool builders typically handle the entire pool construction process, including design, excavation, installation, and finishing touches like decking and landscaping. They also offer maintenance and repair services.

Fiberglass pools are a great choice in Nashville due to their quick installation, durability, and low maintenance needs. They are well-suited for local climates and offer long-lasting enjoyment.

The price depends on the size, shape, and features, but fiberglass pools in Nashville generally start around $35,000 and can go up depending on customization and installation complexity.

Costs vary based on pool size, material, and added features like lighting or waterfalls. Site preparation, local permits, and labor expenses also impact the final price.

The timeline depends on the pool type. Fiberglass pools can be installed in as little as a few weeks, while concrete pools may take several months. A reliable contractor will provide a clear schedule.