How Much Does Pool Acid Washing Cost? – Should You Acid Wash?

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As a gunite pool expert, I have seen countless questions about how much does pool acid washing cost. The answer may vary depending on several factors such as the size of the pool and the geographic location, but overall, the cost is usually within the range of $125-$450 for most residential pools. Of course, this price range could go up or down depending on the complexity of the job. Many DIYers may be tempted to try acid washing their pool themselves, but this is a task best left to a professional with experience in dealing with chemicals and working around pools.

A professional pool service technician is trained and equipped to safely handle acid washing and can ensure that the job is done correctly and safely.

The cost of having an acid wash done on your pool will depend largely on the size of your pool and its condition prior to having it washed. Generally speaking, smaller pools can be acid washed for around $350-$400, while larger pools may cost anywhere from $500-$700. On top of this fee you will also need to factor in the cost of any additional chemicals or supplies needed for the process. It’s important to remember that pool acid washing is a specialized service, so it pays to do your research and find a reputable company that can provide the best possible service at a reasonable price.

How Much Does Pool Acid Washing Cost?

When it comes to pool acid washing, there are several factors to consider before tackling the task. First, it’s important to understand that not all pools require an acid wash – regular pool maintenance should be adequate for most gunite pools. However, if your pool has been neglected or has a buildup of algae and minerals, then an acid wash may be necessary. Knowing the cost associated with pool acid washing will help you decide whether or not it’s a job you want to take on yourself or hire a professional.

What is an Acid Wash for a Pool?

An acid wash for a pool is a process of chemical cleaning that removes the top layer of plaster, paint, and any other accumulated debris from the surface of the swimming pool. This can help to restore luster and remove discoloration caused by minerals or excess chlorine in the water. It’s important to note that an acid wash should only be used as a last resort for cleaning your swimming pool, since it’s a more aggressive method than regular brushing or vacuuming.

Why Acid Wash a Pool?

Acid washing a pool is an important procedure because it removes any built-up dirt, algae, and other debris that can accumulate over time. It also helps to restore the appearance of the pool and enhances its longevity. Pool acid washing can help prevent further problems down the line such as staining and scaling, which could lead to costly repairs in the future.

When considering whether or not to acid wash your pool, it is important to keep in mind many factors including the size of the pool, type of surface material on your pool walls and floor, climate you live in, and overall condition of your existing pool surface. For example, if you live in an area with hard water or high humidity levels then acid washing your pool may be necessary to combat any potential issues from scaling or staining.

Signs You Should Acid Wash Your Pool?

If you own a pool, it is important to keep it clean and well-maintained. Acid washing your pool is one of the best ways to do this. So how do you know when it’s time to acid wash your pool? Here are five signs that indicate an acid wash may be necessary:

  1. Discoloration – If your pool has lost its original color or has become discolored from algae growth, dirt, mold and other organic matter then it’s time for an acid wash. The process will completely remove all the organic material and restore your pool to a bright blue clear appearance.
  2. Scale Formation – If you notice white scale forming on tiles or walls around your pool, then it may be time for an acid wash. Scale is formed when calcium deposits build up on the surfaces and can be very difficult to remove without the help of an acid wash.
  3. Stains – If you’ve been unable to get rid of stubborn stains on your pool walls or floor, then it might be time to consider having an acid wash done. The powerful cleaning agents in the solution will help break down and remove even the toughest stains from your pool surface.
  4. Strong Odor – If your pool has a strong odor that isn’t going away even with regular cleaning and maintenance, then it’s likely time for an acid wash. The acids in the solution are effective at killing bacteria, mold and other organic matter that could be causing the odor.
  5. Algae Growth – If you’ve been unable to get rid of algae growth in your pool no matter how much you clean, then it may be time for an acid wash. The cleaning power of the solution is strong enough to completely remove even the toughest algae and restore your pool to a pristine condition.

If you’re noticing any of these signs with your pool, it might be time to consider an acid wash. Knowing how much does pool acid washing cost can help you decide if this is the right option for you.

What Do You Need to Acid Wash a Pool?

When it comes to acid washing a pool, there are certain materials and supplies that you will need. These will depend on the size, type and condition of your pool and can include items such as:

  1. Muriatic acid: This is used to clean the surfaces of the pool, removing algae and other contaminants.
  2. Protective clothing including goggles and rubber gloves: It’s important to protect yourself from the harsh chemicals when dealing with pool cleaning.
  3. A long handled brush or scrubber: This is used to help move the muriatic acid around and ensure that all areas of the pool have been properly treated.
  4. Pool vacuum cleaner or skimmer net: You may also need these to remove any debris or algae from the pool surface.

Having all of these materials on hand before beginning an acid wash is important to ensure that you can complete the job safely and effectively. It’s also recommended to prepare for any possible emergency situations that may arise as a result of using dangerous chemicals like muriatic acid.

Steps For Acid Washing A Pool

Before you can determine the cost of acid washing a pool, it’s important to understand the steps involved in the process. Acid washing should only be done by experienced professionals due to its hazardous nature, and is usually recommended every 3-5 years for best results.

Step 1: Drain Pool

The first step in an acid wash is to drain your pool completely. This can take anywhere from 4-8 hours depending on how much water needs to be removed and how quickly it drains.

Step 2: Clean Surroundings & Cover Equipment

After draining your pool, clean any furniture or accessories around the pool as well as cover up all equipment such as pumps, filters, ladders and other small items that may be affected during the wash process.

Step 3: Apply Acid

The next step is to apply the acid solution to your pool’s surface with a sprayer, brush or roller. Make sure to follow all safety instructions carefully when using and disposing of the acid mixture. The time it takes for this step varies depending on the size of your pool and how heavily soiled it is, but typically takes between 1-2 hours.

Step 4: Neutralize Pool & Let Sit

Once you’ve finished applying the acid mix, use a neutralizing agent such as baking soda or pool shock to neutralize the pH level of your pool water. Then, let the solution sit in your swimming pool for another 1-2 hours.

Step 5: Rinse & Refill Pool

Finally, rinse away any remaining acid solution and refill your pool with fresh water. The refill process can take anywhere from 4-8 hours depending on the size of your pool.

How Much Does Pool Acid Washing Cost?

Pool acid washing is an effective way to restore luster and remove discoloration caused by minerals or excess chlorine in the water. The cost of having your pool acid washed will depend largely on its size and condition prior to treatment, but generally speaking smaller pools can be washed for around $350-$500 while larger pools can cost anywhere from $750-$1,200. If you’re looking to restore your pool’s appearance and make a splash this summer, an acid wash may be the right solution for you!

Should You Acid Wash a Pool Yourself?

When considering whether or not to acid wash a pool, there are some factors you should consider. If you decide to acid wash your own pool instead of hiring a professional, it’s important to understand the hazards associated with using chemicals like muriatic acid and safety precautions that need to be taken.

Muriatic acid is a very strong chemical used for cleaning pools, and can burn skin, eyes, and other body parts if not handled correctly. It also has the potential to discolor surfaces when used in large concentrations. Because of its strength and corrosive nature, people who choose to use this type of chemical should always wear protective clothing and goggles while handling it. Additionally, it’s best practice not to mix household cleaners with muriatic acid, and to always read the label for instructions on handling it correctly.

In addition to safety precautions, you should also consider how much time and effort it will take to acid wash your own pool. Depending on the size of your pool, an entire acid wash job can take up to five hours or more. You’ll need to drain the water out of the pool, apply the acid solution evenly, brush down any areas that need extra attention, and then rinse off the solution completely before refilling the pool. It takes a lot of work and patience if you decide to do it yourself!

Reasons to NOT Acid Wash a Pool

  1. Risk of Damage: Acid washing a pool can damage the plaster and surface if not done by a professional. Even seemingly minor oversights such as inadequate rinsing can have long-term consequences, as any remaining acid will continue to break down the surface of your pool over time.
  2. Invasive Process: To properly acid wash a pool, all water must be drained from the pool prior to starting work. The entire process is quite invasive, involving extensive scrubbing and draining of the pool several times throughout the job. Thus, it is highly recommended that only professionals complete this task in order to avoid further costly repairs in the future.
  3. Not Always Necessary: Depending on how often the pool is maintained, acid washing may not be necessary. A professional can assess your pool and determine whether or not it needs to be acid washed. Most pools only require a good cleaning in order to maintain its integrity.
  4. Costly: Not only does acid washing a pool involve an invasive process, but it can also be quite costly depending on the size of your pool and other factors. It’s important to consider all expenses before beginning this project as the total cost could easily exceed one’s expectations.


When it comes to deciding whether or not to have your pool acid washed, there are a few things to consider. First off, confirm that an acid wash is necessary in order to address discoloration or staining – regular maintenance might do the trick instead. Secondly, compare costs of local pool services and weigh other factors such as customer satisfaction ratings and experience. Lastly, if you decide to take on the task yourself ensure that you understand the process and safety precautions before beginning the job.

With careful consideration and research, you should be able to find the best solution for your swimming pool. Good luck!

Frequently Asked Questions (FAQs)

1. Is it worth it to acid wash pool?

Acid washing your pool is a cost-effective way to ensure it stays clean and healthy. It can be a worthwhile investment, especially if you have an older pool that has not been properly maintained or has developed issues such as algae growth or cloudy water. Acid washing will remove built-up dirt and debris from the walls and floor of your pool, dramatically improving its appearance. Additionally, it can help keep your pool safe for swimming by eliminating bacteria and other microorganisms. So, in conclusion, yes – it is worth it to acid wash your pool! Doing so could save you time, money and hassle down the road.

2. How long does it take to acid wash a pool?

average, it takes 2-3 hours to acid wash a pool. This can vary depending on the size and condition of the pool, as well as the person conducting the acid washing. For larger pools or those with more severe buildup, it may take longer to complete. Additionally, if professional services are hired for the job, they may need additional time to set up and safely handle chemicals used in the process. Proper safety precautions should always be taken when handling these materials.

3. Can I acid wash my pool myself?

No, it is not recommended that you acid wash your own pool. Acid washing a pool is a complex and potentially dangerous task, as the acid used in the process can be highly corrosive. In addition to this, improper use of the chemicals could damage your pool or even cause serious injury. It is best to leave this job to experienced professionals who are well-versed in safety procedures and have the right tools and equipment for the job. A professional will also know exactly how much acid should be used in order to achieve a thorough clean without damaging your pool’s surface.

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Written By Scott Keller

Scott Keller is an experienced pool industry professional with over 20 years of expertise in gunite pool design, construction, and maintenance.

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