Will Baking Soda Remove Iron From Pool Water? | True Or Myth

Baking soda is a common household item that can help remove iron from a swimming pool. It is affordable and easy to use the product when it comes to dealing with water clarity issues in a swimming pool. Using baking soda for this purpose involves testing the pH level, mixing 1/4 cup of baking soda with two gallons of water, and then adding this mixture to the pool.

When too much iron is present in the pool, it will cause the water to become cloudy or darken in color. This can occur because of improper use or maintenance of a filter system by not cleaning it regularly or allowing particles to build up over time.

Baking soda binds up these dissolved metals, making it easier for a filter system to capture and remove them from the water. As long as you follow the directions on how much baking soda should be used, you will find that it adds clarity back into your pool water and helps restore its beauty. Read on and learn about the right way to use baking soda in your pool.

The Way of Using Baking Soda

1. Test Your Pool PH Level

It is essential to start by testing the pH level of the pool. This is important because the iron in the water can cause the pH to rise and make treatment more difficult. While you know that there is iron in the pool, it helps to track how much was present before starting treatment. Recording this information will give a point of comparison after treatment to determine any changes that might have occurred.

Baking soda is a beneficial product for removing iron from pool water. It changes the pH balance and makes it easier for the iron particles to separate from the water, allowing them to be easily drained or filtered out.

Depending on the amount of iron in your pool, adjust your baking soda mixture accordingly by adding one pound (or approximately 450 grams) per 10,000 gallons (10 cubic meters) of water into the skimmer basket – or whatever filtration system exists – before recirculating and then repeating as needed until readings show no further increase in pH.

2. Make a Baking Soda Mix

The use of baking soda in a swimming pool has numerous benefits, and one of those is to help remove iron from the water. To do this, you wouldn’t just want to start pouring baking soda into the swimming pool; it’s best to start by making a separate mixture. The specific ratio for this mixture is 1/4 cup of baking soda with two gallons of water.

Mixing in the baking soda with quality water works to break down any existing contaminants that have made their way into the swimming pool. Once the solution is complete, you can add it directly into your swimming pool by pouring or sprinkling it around the water’s surface.

Doing so will help keep your chlorine levels balanced while also having additional protection against rust and corrosion forming within your metal components. It’s important to note that this mixture should not replace other types of cleaning chemicals that are used regularly in order to maintain optimum health standards.

3. Scrub Your Pool Sides and Bottom

Scrubbing the pool walls, sides, and bottom of a swimming pool is important in keeping it clean. Removing dirt, debris, and algae ensures your pool is safe and ready for use. Additionally, you can maintain clear water by removing any residues that may have built up over time due to increased iron content.

When scrubbing the sides and bottom of your pool, take care to do so as thoroughly as possible. This means using a long bristled brush or power washer to reach down into crevices and cracks that might be overlooked. Taking the extra time now will prevent a major headache (not to mention costly repairs) when dealing with hard-to-remove buildup and rust stains from pooled iron deposits in the future. Utilizing chlorine or commercial cleaning solutions in conjunction with the scrubbing can further strengthen the cleansing process.

4. Now Check the PH Again

Re-assessing the pH level of a swimming pool is an important step in ensuring that it stays clean and healthy. A good pH level ensures that whatever efforts were taken to clean the pool will have visible and long-lasting results.

Additionally, a necessary part of keeping the pool in top condition is to test the filter and pump. These systems running optimally can help maintain the right water quality so that algae and other compounds are eliminated, leaving behind fresh and healthy-looking water.

Understanding what should constitute an ideal pH level is essential for re-assessing the state of your swimming pool. Fluctuations occur due to various unidentified factors that may come out during a close examination.

Modifications may then need to be made or enhancements to boost efficiency depending on what type of problem has caused the pH levels to change. This can also improve how well your pool filter works so as to keep it running with utmost efficiency for several months at a low cost.

How Baking Soda Works in Pool?

Baking soda has a lot of benefits for your pool and can be used to help clear away the cloudiness caused by high acid levels. It will help reduce the irritability of an acidic pool, which can create problems such as skin irritation and damage to pool equipment from corrosion. Baking soda helps neutralize the water’s pH level, restoring it to a safe and comfortable level that isn’t too alkaline or acidic.

Too much baking soda, however, can adversely affect your pool. When used improperly or in excess, it can lead to overcorrection of the water, which can cause scale build-up on surfaces like walls and filters.

Baking soda should also not be used when chlorine levels are too low, as this could result in a “chlorine lock” where chlorine is trapped in an undissociated form due to the high pH balance created by baking soda. As with any chemical treatment for a swimming pool, always read instructions carefully and consult an experienced professional before making any changes.

Can Sand be an Alternative to Baking Soda?

Yes, sand can be used to remove iron from your pool. However, you need to keep some things in check before doing so. You should combine your sand filter with FerriTab, a treatment specifically designed for iron-related problems. This combination will ensure the most efficient removal of all the iron sediment in your water.

While using a sand filter, you must simply backwash the filter whenever you notice any signs of iron in your pool. Backwashing pushes out all the dirt, debris, and other contaminants that have built up over time, keeping your pool’s cleanliness and clarity intact. Regular backwashing lets you keep your pool free of rust and metals.

Additionally, cartridge filters are also an option as they are especially adept at filtering out small particles and finer sediment sitting at the bottom of the pool, such as iron and other unwanted substances.

Frequently Asked Questions [FAQs]

1. What is the best treatment for iron in water?

Say goodbye to red-water iron levels up to 10-15 mg/L with trusty iron filters like the manganese greensand filter. But if you’ve got a tougher case on your hands with iron levels over ten mg/L, fear not – aeration or chemical oxidation (cue the chlorine in calcium or sodium hypochlorite form) followed by filtration can come to the rescue.

2. What dissolves iron?

In order to dissolve iron powder, an acidic solution such as HCl or nitric acid is required due to iron’s low solubility in circum-neutral pH. To achieve complete dissolution, it is recommended to use a 1.5N or higher morality HCl and heat at 100°C for 24 hours or more.

3. What pH is iron removal?

Iron and manganese oxidation have different optimal pH ranges, with iron oxidation occurring best between a pH range of 7.5-8 and manganese oxidation occurring best at a pH of 8.0 or higher. Increasing the pH by one results in a 100-fold increase in the rate of iron oxidation, leading to faster oxidation at higher pH levels.

4. Does salt remove iron from water?

Say goodbye to pesky iron concentrations in your water. With a range of .3 ppm to 3.0 ppm, salt-based water softeners can work wonders. These systems use sodium resins with a sweet spot for iron, leaving your water free of hardness elements like calcium and magnesium.

5. What chemical can destroy iron?

Beware of the power of strong acids and alkalis. While they may work wonders in dissolving pesky rust, these corrosive chemicals can also wreak havoc on almost anything they encounter. Handle with care, my friends.


Iron can be very dangerous to swim in. You definitely don’t want your family to have some disease while having fun in the water. That’s where baking soda comes in handy to help you out. You need to know the right way to use it, and your pool water will always be fresh and safe to swim in.


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