What are the Benefits of salt water pool? Advantage & Disadvantage

Benefits of salt water pool

Salt water pools are an alternative to traditional chlorine pools. It doesn’t add chlorine tablets to the salt pool, but it still contains chlorine. Only a small amount is produced through the filter system.

The salt water pool contains one tenth the salt of the sea. The salt water pool has about 3,000 ppm (parts per million) of salt. By comparison, the ocean has 35,000 ppm.

Some people find this type of pool to be less stressful to their hair, eyes and skin than a chlorinated pool.

Salt pools are becoming more common in hotels, resorts, and cruise ships.

There are natural salt water lagoon pools in places such as Mozambique and Bolivia. You can also set up a seawater pool in your own home.

What is salt water pool?

benefits of salt water pool
Benefits of salt water pool

As its name suggests, the salt pool is a pool that is filled with salt water rather than chlorinated water. But that doesn’t mean it doesn’t contain chlorine. 

In fact, the salt molecule naturally contains chlorine. The process therefore consists of using the natural chlorine present in the salt rather than pure chlorine, which is more irritating to the skin, hair and textiles, in addition to being harmful to the environment and expensive. 

What is more, the maintenance of a traditional swimming pool is very demanding: it is necessary to check and adapt the concentration of chlorine in the water almost every day.

Salt water pool cost

 salt water pool cost
salt water pool cost

For a salt pool, you have to start by investing in a device called a chlorine generator, which costs between $ 800 and $ 1,500, depending on the size of the pool

Then, the costs decrease significantly since salt is much cheaper than pure chlorine. The salt charge is estimated to be around $ 50 per year for an average-sized pool, compared to around $ 120 for a pool maintained with pure chlorine.

However, the salt system is not that economical in the long term, since it is necessary to take into account the maintenance of the chlorine generator (every 5-6 years). It is not to spend less that you choose a salt pool, but to simplify the maintenance of your pool.

Salt water pool maintenance

Salt water pools are easier to maintain than traditional pools. However, pool owners should check their pH and alkalinity levels weekly.


Salt water pools do not have the same chlorine odor as traditional pools. If you are concerned about the smell of chlorine, we recommend a salt water pool.

Pool effect

salt water pool effects
Benefits of salt water pool

Salt water pools do not have the same harsh effects as traditional chlorine pools. For example, swimming in a salt water pool rarely turns your hair green. Swimsuits are not bleached either.

Salt can be harmful to pool over time. Salt pools should be checked regularly for signs of erosion and accumulation.

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Advantages & Disadvantages of salt water pools

As with everything, there are pros and cons associated with the salt pool system. Here is a small list:

Advantage of salt water pool

  • No dangerous products to handle.
  • Easy maintenance.
  • No irritation to skin, eyes, hair.
  • No chlorine odor that lingers on skin and swimwear.
  • Textiles are not attacked by chemicals.
  • More ecological since we do not use chemicals.
  1. A massive argument behind its popularity, unlike traditional pools, the salt pool does not need chemical chlorine to function perfectly. The bather thus benefits from water that is much less aggressive, both for the eyes and for the skin. The salt pool allows everyone to swim without the risk of an allergic reaction. Thus, even people suffering from fragile health can benefit from it.
  2. With a salt pool, you avoid storing chemicals and harmful to health. In the presence of a child, an improperly stored chlorine or bromine container can quickly become very dangerous. A major drawback of conventional swimming pools which is avoided by opting for a salt pool which does not require any chemicals.
  3. The environment is at the heart of all concerns today. The chemicals traditionally used in ponds are not ecological and are extremely harmful to biodiversity. The growing ecological awareness of the French therefore pushes them to turn to solutions that are more respectful of the earth and living beings. In fact, the salt pool stands out as an obvious solution, since salt does not pollute. In addition, emptying the swimming pool does not require any particular precaution.
  4. Another advantage and not the least, the salt pool is very easy to maintain . Since it degrades very slowly, your salt supply does not need to be replaced constantly. On average, a salt reservoir can maintain the water in a swimming pool over several years (from 3 to 5 years). Very limited maintenance compared to the often too tedious maintenance of traditional swimming pools.
benefits of salt water pool pool
Benefits of salt water pool / Advantages & Disadvantages

Disadvantages of salt water pools

  • It is a serious investment the 1st year.
  • It cannot be used with pools that are steel or have metal rails, as it will rust.
  • Salt can damage metal components (eg ladders) in the pool.
  • Salt leaking into the environment is sometimes considered harmful (but is it worse than pure chlorine?)
  • The electricity bill can be steep (no pun intended) since the chlorine generator must remain on between 18 and 24 hours / day for a pool that is used every day.

Regarding the quality of bathing water, both systems are equally effective, and one should not fear that a salt pool is less hygienic than a chlorine pool . 

On the other hand, in both cases, it is essential to regularly check the concentration of the product in the water (every day for chlorine, every 1 to 2 weeks for salt.) 

  1. The price of the salt pool is undoubtedly the first drawback of the latter, unfortunately inaccessible to certain budgets. The high cost of this type of equipment is due in particular to the necessary installation of an electrolyser in the heart of the filtration system of the basin. On average, the price of an electrolyser fluctuates between € 1,000 and € 2,000, fluctuating depending on the model. If the initial investment is significant, the device will easily pay off in the long term thanks to the cost of salt, much lower than that of clor or bromine .
  2. Using salt as a pool treatment also implies a high pH of the water. This is directly linked to the chemical reaction of salt and electricity. You should therefore regularly test the pH of your salt pool and correct the rate if necessary. To do this, be aware that there are automatic pH regulators.
  3. A minimum temperature of 16 ° C is also necessary to ensure the efficiency of the salt electrolysis. Indeed, below 16 ° C, water conducts electricity less efficiently. Be careful, because an electrolyser that operates in cold weather is responsible for premature aging of its electrodes.
  4. Also be aware that salt promotes corrosion . Remember to regularly clean your filtration system and the chlorinator itself with clean water. Note that some equipment is equipped with a self-cleaning system.

Salt water pool test

It is important to test the saltwater pool on a regular basis. Weekly test for free chlorine and pH using a drop kit or test strip. It is important to test the following each month:

  • Salt level
  • Alkaline
  • stabilizer
  • calcium

Adjustments may be required.

Approximately every three months, the salt chlorine generator accumulation should be tested and cleaned. 

Also, pay attention to sediments and signs of erosion and perform maintenance as necessary.

General salt water pool safety

what are the benefits of salt water pool
salt water pool safety

It is important to practice basic safety measures in any pool.

  • Always supervise children
  • Secure the pool with a fence to prevent children from entering the water without supervision
  • Register someone who doesn’t know how to swim in a swimming lesson
  • Apply rules such as “no diving” or “no running” near the pool
  • Stop when swimming on the lap and take a break when you’re out of breath
  • Warm up before entering the pool and then stretch
  • Avoid drinking alcohol when in or near water

Although saltwater pools may make people feel better and swim better, they are not chemical-free systems. 

Homeowners sometimes label homes for sale as having natural or chemical-free saltwater pools. 

The statement is not accurate because the saltwater pool relies on a steady and continuous flow of chlorine into the water body, which brings benefits.

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