How long does it take for muriatic acid to work?

Some people will tell you that it's safe to swim just 30 minutes after adding muriatic acid to your pool water. But we recommend playing it safe by waiting three to four hours and testing your water before swimming in your pool.
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How long does it take for muriatic acid to lower alkalinity?

It will take 24 hours for the muriatic acid to react with the existing balanced pool water. Remember never to pour muriatic acid into your pool. Dilute part of the muriatic acid in a bucket of balanced pool water, and then pour it into your pool. "Dilution is the solution," Dukes says.
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How long do you wait after adding muriatic acid?

After Adding Muriatic Acid

Muriatic acid can create a hot spot of acid in the water that could potentially burn or irritate your skin. It is best to wait 30 minutes after adding it to your pool.
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How much muriatic acid can I add to my pool at one time?

How Much Muriatic Acid Can You Add at One Time? Usually 2 cups of muriatic acid in a 24 hour period is safe to add to a pool at the one time. Factors determining how much acid to add are how strong the muriatic acid is and the volume of your pool.
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How long does it take for muriatic acid to circulate in the pool?

Let the Muriatic Acid Circulate

Keep your pump on for at least 30 minutes immediately after adding the muriatic acid. Again, be sure your pump is set to “circulate” to help the muriatic acid mix in. This will prevent the acid from damaging your pool surfaces.
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What happens if you put too much muriatic acid in pool?

If you do add too much muriatic acid, your pH levels can dip dangerously low, and your pool water can cause rashes and eye irritation. Low levels of pH can also damage metals in your pool like ladders, railings, screws, bolts, and other important equipment.
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Will muriatic acid clear a cloudy pool?

Cloudiness Due to Elevated pH

Before you floc the pool, you should check the chemical balance, and if you notice the pH is too high, that may be why the pool is cloudy. You may be able to clear the water by adding muriatic acid to lower the pH.
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Should pump be on when adding muriatic acid to pool?

Turn the pool on

By having the pump on it will aerate the pool, slightly increasing pH and aiding alkalinity. Therefore, adding muriatic acid to the pool while the pump is running will reduce the likelihood of large drops in pH.
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Will muriatic acid lower hardness in pool?

Try muriatic acid.

It won't actually reduce the water's calcium hardness, but it will raise the saturation level, which can help bring the water back into balance.
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How long does it take for muriatic acid to neutralize?

Limestone and dolomite (calcium magnesium carbonate) are common neutralizing agents for large-scale muriatic and other acid spills in natural water courses and coal mine water flows. Both materials react with the acid over a period of about 15 minutes to produce salts in a sludge that can be easily handled and removed.
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What will happen if you smell muriatic acid?

When inhaled, it can result in upper respiratory tract irritation, leading to laryngeal edema, laryngeal spasm, and asphyxia. Concentrated hydrochloric acid causes similar corrosive injury to the skin and, if ingested, can cause severe corrosive injury to the mouth, throat, esophagus, and stomach.
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How harmful is muriatic acid?

Muriatic acid is harmful if swallowed and may cause irreversible damage to mucous membranes; repeated or prolonged exposure to corrosive materials or fumes may cause gastrointestinal disturbances.
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Can you add chlorine and muriatic acid at the same time?

Perhaps most important note of all, never add chlorine and muriatic acid together in the pool. This creates a dangerous toxic gas that can have severe health consequences if inhaled.
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Is it safe to swim in a pool with high pH and alkalinity?

Can You Safely Swim in a Pool With High Alkalinity? As long as you have enough chlorine in your pool (around 3ppm for total chlorine) and the pH level is balanced (between 7.4 to 7.8), then a pool with high total alkalinity is still safe to swim in.
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Why does my pH keep going up in my pool?

Here are common causes of an alkaline pool: Algae can raise the pH. Adding strong liquid chlorine, calcium or lithium hypochlorite chlorine may raise it. Suddenly heating the water, whether from a pool heater or a string of sunny days, could up the pH.
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Does muriatic acid lower pH in a pool?

When used correctly, muriatic acid can lower the pH levels of your pool water. The potency of muriatic acid makes it beneficial at getting rid of hardened water that has become too alkaline.
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How do I soften hard water in my pool?

Softening Pool Water

The first option to make your pool water softer is to drain some water and add some new, fresh water. Start by turning off your pool. Then drain just a few inches of water from your pool with a pump. If you have access to a fresh (not hard) water source, use that to replace the drained water.
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How do I bring the pH level down in my pool?

Once you've determined that the pH level is too high, you should now work to restore the balance. There are two main products for lowering the pH. These are sodium bisulfate (also known as dry acid) and muriatic acid.
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Should I run the filter after adding muriatic acid?

You want to make sure the pump is running for at least 1/2 hour, preferably even an hour, during and right after after adding most chemicals. Running the pump longer than 1/2 hour is just fine, particularly if you would normally have it running anyway.
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Does Shocking a pool lower alkalinity?

Another cause for high alkalinity can be when you shock the pool. While this is performed to quickly rid the pool of pollutants, chlorine-based pool shock is highly alkaline, and can raise the water's total alkalinity level in the process.
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Is it OK to swim in a cloudy pool?

You shouldn't swim in a cloudy pool for several reasons: If you can't see the bottom of the pool, struggling swimmers will also be hard to spot, making the risk of drowning much higher. Cloudy pools are full of bacteria and pathogens that can cause urinary tract infections, stomach problems, and eye irritation.
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How often do you need to add muriatic acid to pool?

If you have a pH reading of 7.8 or higher, and an average size (15,000 gallons) in-ground pool, you should add 1/4 gallon (a quart) of muriatic acid, and re-test after the water has circulated for an hour.
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