May 9

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How to Acid Wash a Pool

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You do not want to spend hours scrubbing down stubborn calcium deposits and metal oxidation marks on the surface of the pool or bottom of the pool.

To protect yourself from such a situation it would be wise to acid wash the pool as it saves lots of your precious time.

With the help of acid wash, you can even get rid of countless bacterial and algal spores that thrive on the inner surfaces of the pool.

You must use an adequate amount of acid as per the total size of the pool.

Basics about the acid wash process for a pool

Cleaning your pool regularly is one of the most important aspects that will increase its lifespan.

On the other hand, this process is also considered as a proactive measure that you take to save yourself from making frequent investments in replacements.

While doing the acid wash process it is important to use quality safety equipment as the cleaning reagent is corrosive.

During the acid wash, keep soda ash handy as it saves your pool from the corrosion of HCl.

Once the acid washing process is over, you must wait at least 2 hours before entering the pool water.

Tricks and tips to properly acid wash a pool

You are expected to know all the relevant tricks and tips that you need to undertake before, during, and after acid washing a pool.

The most important tips that will keep you and your pool safe while you acid wash pool surfaces are as follows.

Thorough draining of the pool

Complete draining of the pool is the essential feature during the process of acid washing as you get an opportunity to scrub stains and corrosion easily.

In case your pool has a fully automatic option, turn it off while draining the water from it.

Clean the pool with a jet-stream

This process will help you to save a considerable amount of money on the purchase of a muriatic acid pool additive.

When the water of the pool has drained, you can use jet-streams to get rid of stain marks and algal spores that thrive on the bottom, corners, and walls.

Moreover, you can even use vacuum heads to clear the spores that are present on the bottom and in the corners of the pool.

Wear safety gear

During the acid wash process of your pool, it is really important that you wear safety gear like gloves, goggles, a mask, and boots.

Thus, you will not come in direct contact with the toxic and corrosive fumes from the acid mixture that can cause a great deal of harm to the human body.

Do not use a hose with a nozzle

You must use a hose that is devoid of any nozzle as it through a highly pressurized jet stream that it can react with corrosive acid.

Moreover, you need to saturate one side of the pool with water as it will give you an adequate quantity of water to scrub off the stains and corrosion marks.

Use 1:1 ratio of acid and water

During the acid washing process, you need to combine 1 gallon of acid and water as it will offer you an industry-grade cleaning solution.

It is preferred to place the acid mixture inside a watering can since the equipment is easy to use.

You need to combine the acid with the water at a slow rate, otherwise, it makes the reaction explosive.

Proper neutralization of the pool muriatic acid

Once the acid wash is over, you must neutralize the pool surface so that you can swim in it without any fear.

In case you do not neutralize the pool in time, the puddle of the corrosive acid will start to degrade the texture and plaster of the pool.

You can neutralize any acid mixture left on the inner surface of the pool just by the use of soda ash.

Correcting common problems

There are several problems that you may encounter while trying to acid wash pool surfaces.

You must take corrective action immediately in this regard by neutralizing the pool by the use of soda ash.

Slimy water even after acid treatment

When your pool has a high growth of algal strains, you might have to deal with slimy water even after treating the pool with HCl.

In such a condition, you need to undertake a second acid wash of the swimming pool and then scrub the corrosion and stain marks from the pool surface with the help of a long bristled brush.

Corrosiveness of the acid

Indeed, it is one of the most concerning problems that you have to face while acid washing the pool.

HCl is highly corrosive; this is the reason why you must wear protective gear like goggles, gloves, boots as well as a mask.

Thus, you will be able to safeguard yourself during the acid washing process.

Blockage of the drain pipe

This is one of the most common problems that you might encounter during the DIY pool cleaning project.

To avoid such a scenario you must get rid of twigs, branches, and leaves with the use of a telescopic pole or submersible pump.

You can even use a vacuum head or a rake to get rid of debris that has settled at the bottom of the pool.

Once your pool is clear of large debris, you should drain the water out.

Highly reactive reaction

While you deal with water and acid, you need to stay attentive throughout the process.

Most importantly, you need to be careful during the mixing process of water and acid.

It is recommended that you pour the acid slowly into the water and keep the ratio as 1:1.

A problem occurs when you pour the acid in high quantity into the water too quickly, as the reaction turns highly explosive.

To get complete protection from the pool acid solution it is advised to wear goggles, thick gloves, boots, and a mask while undertaking the DIY acid washing process.

Ways in which you can acid wash a pool

Some of the easiest ways to acid clean your dirty pool are as follows.

Drain the dirty water

First things first, you need to completely drain the dirty water of the pool before starting the cleaning process. Use a submersible pump in the deep end if needed.

During the process of draining you need to pressure wash the walls and corners of the pool so that you get rid of loose dirt and spores.

In the next step, you need to place the muriatic acid and water inside the can and then pour the acid solution on the walls and pool surface.

It would be wise to scrub the surfaces of the pool with the help of a cleaning brush.

For better results, rotate the brush either in a clockwise or anti-clockwise direction as it will help you to get rid of stains and corrosion easily.

Jet-stream the pool beforehand

Indeed, it is considered as one of the wisest things to do when you are planning to use acid washing to clean a really dirty pool.

For starters, you need to drain the pool completely. You can do this with a submersible pump in the deep end, and then jet-stream the inner surface of the pool thoroughly.

It would be wise to jet-stream the corners of the pool with extra care as these are the places where algae spores thrive.

Once the process of jet-streaming is over, you need to start pouring 1:1 solution of water and acid on the walls of the pool.

Keep the walls of the pool saturated with the water and acid mixture and then scrub the surface with the help of an aluminum brush.

Useful tools and chemicals for the acid washing process

There are several tools that you can use during the acid washing process. These tools will aid you in completing the task quickly.

Furthermore, you will also get complete protection from the toxic fumes and corrosiveness of HCl pool acid that is used during the process.

Muriatic acid

Muriatic acid is commonly known as HCl, which is highly corrosive and offers you ease in reducing the alkalinity of the pool.

You need to purchase HCl as per the total size of your pool and the level of contamination with which you are dealing.

Telescopic pole

With the help of a telescopic pole, it will be easy to get rid of large debris like leaves, twigs, etc., floating on the surface.

Removing large debris beforehand is a wise decision so it does not get stuck in the drainpipe at the deep end when you get rid of the pool water.

Gardening rake

Sometimes it gets really difficult to get rid of dirt and leaves that have settled at the bottom of the pool, especially at the deep end.

If you drain the pool without cleaning them first, there is a possibility that they might choke the drainpipe.

In such a situation, it is essential to use a gardening rake and remove such sediment before the initialization of the draining process.

Watering can

It would be beneficial if you place the solution of pool acid manually right on the places that are stained or are infected with stubborn algae spores.

This is where the watering can come to your rescue, this equipment is easy to use, light in weight and there is no chance of unwanted accidents.

Automatic vacuum heads

To prepare your pool to be acid washed, you have to get rid of large algal spores and other dirt particles that settle at the bottom.

Sometimes it becomes tiresome to handle the process manually in case the size of your pool is very big.

In such a situation, you can use automatic vacuum heads that are made of durable material and are transparent.

Thus, you can easily get rid of the dirt and spores before the pool is acid washed.

Protective gear

As you have to deal with highly corrosive HCl acid, you must wear gloves, boots, a mask, and goggles.

This protective gear will prevent your skin from getting in direct contact with the acid wash and you do not even have to care about inhalation of corrosive fumes.

Pressure jets

It would be an added advantage to pressure jet the corners and crannies of your pool before the draining process.

This is because you can get rid of algal spores and dirt.

Thus, you do not have to spend much on the purchase of HCl and soda ash for the cleaning process.

Aluminum brush

You need to scrub the surface of the pool after applying an adequate amount of HCl acid for this purpose. Use a long bristled aluminum brush.

These brushes are highly durable and you do not have to worry much about their overall maintenance.

Cleaning hose

Indeed, it is considered one of the most important tools that you will require for the process of acid washing.

The hose that refills the pool with water should not contain any nozzle.

Soda ash

In case a puddle of HCl forms inside your pond, it will eventually react with the surface and cause a great deal of damage to the plaster.

In such a situation, you must neutralize the acid with the help of soda ash.

Frequently asked questions

How much does it cost to acid wash a pool?

Several factors influence the overall cost of acid wash, like geographical location, size of the pool, etc.

For an average swimming pool, you might have to spend about $200.

In case you want to curb the cost of acid wash, then it would be wise to jet-stream your pool after draining the water.

With the jet-streaming process, you can easily clean most of the infested and stained spots.

Thus, you do not require much HCl for the cleaning process.

Can you acid wash a pool with water in it?

No, in case you are planning to acid wash the interior surface of the swimming pool, you have to completely drain the water.

In addition to this, make sure that the walls of the pool are completely saturated with water.

You need to use a hose that does not have any nozzle as a jet stream of water can cause more harm than good.

Why do you need to acid wash a pool?

There are countless reasons for you to acid wash a pool, like getting rid of stubborn stains and algal spores.

Moreover, heavy metal deposits on the surface of the pool start the oxidation process, leaving stain marks behind.

When you acid-wash the dirty pool that is infested with algal and bacterial strains, then it eventually kills them.

Muriatic acid also offers you ease in scrubbing the lining of the pool and walls thoroughly.

Can you acid wash a pool without draining it?

Trying to acid wash a pool that still has water in it can lead to serious incidences that might cause irreparable damage to the pool.

Moreover, you also get prone to acid burn and inhalation of corrosive fumes.

This is the reason why you need to dry the surface of the pool before treating it with acid.

When you drain your pool, then you can easily reach the surface that is either stained or infested with algal spores.

Thus, it would be easy on your part to clean the surface with the help of muriatic acid and an aluminum brush.

Resources and further reading

https://www.aboveallpoolcare.com/blog/acid-wash-pool/

https://homeguides.sfgate.com/acidwash-swimming-pool-95303.html

https://www.youtube.com/watch?time_continue=96&v=fFqRHlp2lUs&feature=emb_title

https://www.youtube.com/watch?time_continue=452&v=kekKycj5ZXo&feature=emb_title

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