Safe Usage of Muriatic Acid in Toilets: Tips & Precautions

Are you struggling to get rid of dark stains from toilet bowls? We know how painful it is to remove stains and mineral deposits without damaging the expensive bathroom. Muriatic Acid is a magical cleaner that can solve your problems. 

Is muriatic acid safe for toilets?

Yes, you can safely use muriatic Acid for toilets to say goodbye to cleaning hassle. But it has its pros and cons. The pros are more beneficial, and you can overcome the cons if you use them in the right way. 

In That post, we will talk about muriatic Acid and how you should use it safely to get the best cleaning result. So let’s get into the point.

Is muriatic Acid safe for toilets?

Is Muriatic Acid Safe For Toilets

What Is Muriatic Acid?

Muriatic Acid is not an ordinary cleaner for toilets. That’s why most people become confused; should they use it or not. You can overcome the confusion when you know what it is, which ingredients it contains, and many more things.

Muriatic Acid is a powerful chemical that is also known as Hydrochloric Acid. It is a slightly yellowish or colorless liquid that has an acute odor. 

Muriatic Acid Ingredients

Nowadays, you will get different concentrations of muriatic Acid in the market. The bottle will be labeled depending on the concentration percentage. Such as

  • 20-32% concentration is labeled as Muriatic Acid
  • Above 32 to 38% is labeled as Hydrochloric Acid

You can use both concentration chemicals as a toilet cleaner with proper cautions. It is available in local stores and online. As it is a powerful chemical, it is not recommended to use like a regular toilet bowl cleaner to avoid chemical burns. You should use acidic cleaning products only for deep cleaning bi-yearly.

When You Should Use Muriatic Acid To Clean Bathroom

If your toilet contains multiple ugly stains, multi-layered deposits, and rust, you need to clean the toilet with Muriatic Acid. In other words, we can say when you fail to clean the bathroom with ordinary cleaning products and commercial products, then it is the right time to use Muriatic Acid.

How To Clean A Badly Stained Toilet With Muriatic Acid

how to clean a badly stained toilet with muriatic acid

Muriatic Acid is an excellent acidic product to clean grout, rust, calcium deposits, mineral deposits, ugly stains, water skid marks, and many more. But using muriatic Acid is a bit dangerous, so you need to use it safely to clean the toilet. Before using this acid cleaner, you should manage some tools to ensure the utmost safety.

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Required Tools

  • Rubber gloves and safety glass
  • Asif resistant plastic bucket
  • Muriatic Acid
  • Scrubbing brush
  • Baking soda
  • Water

Step 1: Preparation

toilet cleaning materials list

First, you must wear rubber gloves and safety goggles. If you are accidentally in contact with the Acid, it can burn your skin. So, it is better to prepare a mixture of baking soda and water to use if you are accidentally hit by Acid. You should wear old clothes because this Acid can damage your clothes too. After preparing yourself, now concentrate on the work.

Step 2: Diluting Muriatic Acid

diluting muriatic acid for rust removal

Pour 5 cups of water and 1 cup of Muriatic Acid in the bucket to make a cleaning mixture. Gently stir the mixture with a long-handled spoon to dilute Acid with the water accurately.

Step 3: Apply the mixture

muriatic acid toilet cleaner mixture

Spread a some diluted Acid into the clogged toilet bowl. Check whether it forms bubbles or not. If it creates bubbles, that indicates the mixture reacts with the stains perfectly and gradually softens them. Keep it resting for 30 minutes. 

Step 4: Scrubbing

clean toilet bowl stains 1

After 30 minutes, take a toilet brush and gently scrub the scale, tough stains, and multilayered deposits. When scrubbing, don’t force it too much; that will muriatic acid to damage your toilet bowl or the brush can stuck in the toilet. Then press the flush and see the magic. For more on how to get a toilet brush head out of the toilet, read our toilet brush cleaner guide.

How To Clean Toilet Rim

Clean Toilet Rim

You can also clean the toilet rim with Muriatic Acid without hassle. Here is the short process 

  • Put some acid on the rim. Then Pour the toilet cleaning brush into the diluted acid mixture bucket to make it wet.
  • Now use the brush to clean deposits under the rim area that is tough to reach. Wait 30 minutes, scrub again, and flush it to see a properly clean bathroom.
  • Yet if you find any hard stains or visible rust or deposits, repeat the above process. Hopefully, you already get a clean and sanitized toilet. 

That’s how you can efficiently and safely use Muriatic Acid to enjoy a germ-free, clean, and sparkling toilet.

Cons of Using Muriatic Acid

Cons of Using Muriatic Acid

Muriatic Acid is a hazardous chemical substance, so it has some disadvantages besides benefits. But you can avoid all the dangers if you follow the safety precautions and apply them carefully. Here are the cons of it.

  • If it comes in your contact, it can burn skin and damage the eyes, lungs, nose, throat, or any other organs.
  • If you fail to store it in a cold place, it will turn into gas and create life-threatening breathing issues.
  • It can damage the toilet if you pour too much
  • This Acid is a little bit toxic and bad for the environment
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Some Useful Tips For You

  • Please don’t take muriatic acid lightly, and after buying it, you need to keep it in a dry and secured place to avoid unwanted issues. It can convert into gas if you don’t store it properly.
  • Initially, you should mix up 5:1 ratio of water and Muriatic Acid. But, depending on your toilet condition, such as stains, scale deposits, and skid marks density, you can change the dilution ratio. For a powerful cleaning experience, you can go for a 2:1 ratio that will give you a faster and superior cleaning experience. 
  • Never try to use this cleaner without wearing safety gear. 
  • Keep children away from the cleaners. Otherwise, they can touch it and become injured. If anyone is injured, immediately ensure fast aid and then consult a doctor. 

Alternative to Muriatic Acid

homemade solution

Before applying Muriatic Acid for toilet bowl, you must try the homemade solution at once. It is always better to avoid chemical products for your own safety. That is why the first step is cleaning with a chemical-free cleaner.

  • Take 2 cups of white vinegar and mix it with water in a bowl.
  • Pour the mixture into the toilet bowl and ring.
  • Take a toilet brush to scrub the toilet lightly to spread the mix ideally.
  • Now wait for 1-3 hours based on the dirt
  • Use the brush and scrub again
  • Gently rub the pumice stone to remove deposits
  • Press the flush

If this trick works to clean your toilet, then no need to apply the Acid.


Can you use muriatic Acid on porcelain?

No, it is not recommended to use muriatic Acid on porcelain because it is a powerful acid that can damage the porcelain. So you should avoid using this cleaner for your porcelain tiles. 

Is muriatic Acid safe for plumbing?

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The answer will vary depending on the types of plumbing pipes and conditions. This Acid will not harm PVC pipes and other drainage pipes. But, as it is an aggressive acid, it can be dangerous unless you are careful enough. The fumes of the Acid are horrible and may cause severe burns of the pipes for your carelessness. 

Can you pour muriatic Acid down the drain?

If the drain is clogged with solid debris, then yes, you can pour muriatic Acid down the drain to unclog it. The Acid chemicals react with the tangible substances and gradually make them soft. So, it will be released from the gutter and the pipes will be cleared. 

Can you put muriatic Acid in a plastic bucket?

You should use an acid-resistant plastic bucket when diluting muriatic Acid with water. But, if your plastic bucket is not acid-resistant, you should first pour water into the bucket and then add Muriatic Acid for dilution. Otherwise, the Acid will eat plastic. 

Where to buy muriatic Acid?

You can buy muriatic Acid both offline and online. If you want to buy offline, you can go to your nearest bathroom supply store. You can buy this cleaner from Amazon if you like online shopping. Just click our given link; it will take you to the Amazon website. Click add to cart option, add the payment system, and it will reach your door within some days. 

Can you use sulphuric acid in toilet cleaners?

Yes, you can use sulphuric acid in toilet cleaners. Because sulphuric acid is an essential ingredient in many household products including cleaning solutions and toilet bowl cleaners.

Can you flush muriatic acid down the toilet?

Yes, you can flush muriatic acid down the toilet.

Final Thoughts

Now you get your answer: is muriatic Acid safe for toilets or not? It is legal and safe to use in the cleaning process if you follow the right approach with safety tricks. But before applying this powerful chemical, it is better to try chemical-free natural cleaning agents like vinegar to avoid this risky product.

If you fail to clean with natural products, you should use them. But don’t forget to maintain safety cautions to avoid unwanted incidents strictly. Give extra focus on storing this Acid to stay safe.

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