Can you use salt water in a fiberglass pool?

Author: Destinee Schaden  |  Last update: Thursday, May 5, 2022

Fiberglass swimming pools are very compatible with salt water systems. If you are using a vinyl liner pool, you must be careful as those pools tend to have metal parts or connections which salt will eat through and corrode.

Does salt water damage fiberglass pool?

Fiberglass swimming pools are very compatible with salt water systems. ... Salt water is abrasive on the interior surfaces of concrete/ gunite pools, especially those that have plaster within them. Many families report that they enjoy swimming within a pool that has a salt water system.

What type of pool is best for salt water?

Leisure Pools composite fiberglass swimming pools are designed and ideally suited for salt chlorination.

Does salt water affect fiberglass?

Saltwater and Fibreglass Pools

The good news is salt has no adverse effects on fibreglass pools and they are highly compatible! Fibreglass pools are smooth and virtually non-porous. they do not attract bacteria and algae like concrete pools which means less money spent on cleaning and maintenance.

Does salt eat fiberglass?


The number one reason you should avoid salt systems for your fiberglass pool is corrosion. Any pool equipment that is metal will become corroded due to salt systems.

What is a Saltwater Pool? Chemistry, Lifespan, Cost & More

Can you have a concrete salt water pool?

Yes, it is safe to put salt in a concrete pool, there is just more to watch with concrete pools than with other pool types. If you don't have anything in between your water and your concrete, your concrete can erode faster, but it does not affect the quality of the water or your health.

Can gunite pools be saltwater?

If you're looking for a simple answer, the answer is yes. Saltwater chlorinators are perfectly safe for gunite pools. The biggest issues reported when using saltwater chlorinators with gunite pools have to do with the tendency of the plaster to stain over time when coming into contact with salt.

Can a liner pool be salt water?

If you have a vinyl liner, you'll be happy to know you can use a salt chlorinator system in your pool without taking any extra precautions. The liner will be exposed to lower levels of chlorine, so it may even extend your liner's lifespan. However, many inground pools have galvanized walls behind the liner.

Do fiberglass pools stay warmer?

In contrast to vinyl and concrete pools, which have little to no ability to retain warmth, fiberglass is an insulator so it holds heat in your pool. Fiberglass pools heat up much faster than other kinds of pools and hold onto that heat for much longer.

How do you take care of a fiberglass pool?

Clean regularly, with products made specifically for fiberglass pools. Check water chemistry. Run the pool filter. Keep water level above the skimmer.
All pools need the proper levels:
  1. Free chlorine.
  2. pH.
  3. Calcium hardness.
  4. Cyanuric acid (CYA)
  5. Total alkalinity.

What are the disadvantages of salt water pools?

  • You will need to store and handle high amounts of salt.
  • Muriatic acid will need to be added to the pool water on a regular basis.
  • The pH levels will need to be continuously monitored.
  • Any issues with the generator or pool system may require help from a professional.

Is salt water pool better?

Pros of Saltwater Pools

There's less chlorine and less of the heavy chemical scent and content. They're gentler on the skin, with less irritation to the eyes, hair and swimsuits. The water has a softer, silkier feel to it compared to chlorine water. They have lower maintenance costs than chlorine pools.

What is the downside of fiberglass pools?

The cons associated with fiberglass pools are primarily related to cost and installation issues. Contrary to popular belief, fiberglass pools aren't cheaper than traditional options like concrete (we'll provide more details in the “Costs” section later on).

Does salt water pool turn into chlorine?

A saltwater pool uses a salt chlorine generator. This means that instead of adding chlorine to the pool water, you add salt, and the generator converts it to chlorine.

What is the advantage of salt water pools?

Salt water offers a pleasant healthful swimming experience with fewer chloramines produced, eliminating the harsh chemical odor. Salt cells convert salt into active chlorine for a lower cost as compared to the traditional form of liquid or solid chlorine.

Can you use salt water in any pool?

Enjoy your Salt Water Pool

You can convert your chlorine pool into a saltwater swimming pool and enjoy the benefits of salt water chlorination right in your own backyard. If your pool has a traditional chlorine sanitization system, you can easily switch to Hayward's advanced salt chlorination system.

Do fiberglass pools crack?

Fiberglass pools have a gel coating that can develop hairline cracks over time. These cracks typically only penetrate the gel coat and do not affect the pool's structural integrity, nor do they indicate leaks. If you see blisters as well as cracks, this is a sign that the gel coating was applied too thinly.

Is a fiberglass pool worth the money?

Fiberglass pools are extremely easy to maintain, can be installed quickly, are very durable, and can be beautifully designed. However, their initial cost can be higher than vinyl liner pools, and the shapes and sizes are not as customizable.

Do fiberglass pools make you itch?

Fiberglass in your skin can result in a painful and itchy irritation. If your skin is exposed to fiberglass, don't rub or scratch your skin. Wash the area with running water and mild soap. You can also use a washcloth to help remove the fibers.

How much does it cost to convert pool to salt water?

Most people are able to convert their inground pools to a salt system for around $1,700 to $2,500 plus the cost of salt (typically 25 cents to 63 cents per pound). This cost includes the salt chlorine generator, which can vary in price depending on the size and manufacturer.

Are salt water pools easier to maintain?

Is a salt water pool easier to maintain? Yes, a salt water pool is easier to maintain! There's no need to purchase, store and add chlorine to your pool. Simply add salt and your pool's salt chlorinator will do all the work of making chlorine.

Can you use a D.E. filter with salt water pool?

The 3 main types of filters that can be used with your salt system are sand, cartridge and diatomaceous earth or D.E. When considering each type of filter for your salt water pool they each have their distinct advantages, ideal application and disadvantages.

Does salt water ruin pool equipment?

Myth: Saltwater is corrosive and can damage a number of elements in my pool. Truth: While in a saltwater pool, owners do have to be mindful of corrosion in pumps, filters, heaters, and metal pipes, this isn't entirely the fault of the salt pool. It's actually an electrical issue!

What is better gunite or fiberglass?

While they are easier to install, fiberglass pools are nowhere near as durable as a gunite inground pool. The inside surface of this type pool is a gel coat on which the fiberglass has been laminated. The walls of the pool are only ½ to ⅜ inch thick compared to the 8 to 10 inch thickness of a gunite pool.

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