How To Lower Phosphate In Pool Water? [Solved!]

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If you’re swimming in a pool with a high pH, then you’re in for a lot of hurt. Your skin will become more acidic, and you’ll find it harder to stay cool in the heat. And let’s face it, a hot pool is not as good for your health as a cool pool.

Usually, when a pool reaches 7.2 or higher, the pH will stay pretty stable. But sometimes, nature has other plans and the water changes drastically. When this happens, the solution is to either lower the pH or to raise the phosphate levels. In this case, it’s best to lower the pH, as this will help you stay cool.

Why Does The pH Go Up And Down?

You may wonder why the pH of a pool changes from one moment to the next. Well, when the pH is above 7.2, it is considered alkaline. In this case, either calcium or magnesium ions will remain in the water, which makes the water less acidic.

On the other hand, when the pH drops below 7, it becomes acidic. In this case, either iron or manganese ions will remain in the water, which makes the water more acidic.

When the pH of the pool drops below 5.5, it becomes very acidic. In this case, the water will be loaded with iron and manganese ions, which are highly toxic to the human body. As a result, you may experience irritation, hives, or even anaphylaxis. This is why it’s best to maintain a pH above 5.5, otherwise, you may simply end up hurting yourself or others in the pool.

How Do I Lower The pH Of A Pool?

When the pH of the pool drops below 7.2, then there are several ways to bring it back up. The most straightforward is to add more acid to the water. A common source of acid is lemon juice, which has the advantage of being both lemony and acidic. So, all you need to do is pour some lemon juice into your pool, and in no time, you’ll see your pH return to normal.

Is Adding Some Lemon Juice To The Pool A Permanent Solution?

Once you get your pH back up to a healthy level, you need to maintain it there. To do this, you can add more lemon juice to the pool or increase the amount of time the pool stays open. Since the acidity of the lemon juice is temporary, you’ll have to keep adding it as needed.

Is It Better To Increase Or Decrease The Iron And Manganese Ion Levels In The Pool?

The next thing you’ll want to consider is whether you should increase or decrease the iron and manganese ion levels in the pool. If you decide to lower the pH, then it’s best to do this gradually. This will help avoid any sudden and, in some cases, disastrous changes to the water. As for the iron and manganese ions, when the levels are high, then this can cause irritation and hives in some people. So, to avoid any such issues, you should try to keep the levels low by using regular water treatments. The best time for a water treatment is at the beginning of each swimming season.

What About The Calcium And Magnesium Ion Levels?

Calcium and magnesium ions remain in the water when the pH is above 7.2. So, in this case, you can raise or lower these ions, depending on your needs. Raising the levels of these ions will likely help lower your pH, so, in general, you should keep them low. On the other hand, if you need the ions for medicinal purposes, then you can raise them, as this will make the water more alkaline.

In addition to lowering the pH and increasing the acidity of the pool, you can also increase the amount of calcium and magnesium ions by adding these ions to the water. So, if you want to raise the level of these ions in your pool, then you can either add them directly to the water or buy an ionizer that can do this for you. Just keep in mind that you should never use an ionizer that is not directly plugged into the electrical outlet, as this may lead to an explosion. So, make sure you’re careful not to touch the ionizer when it’s plugged into the wall outlet.

Is All Pool Chemistry Still Under Control?

Last but not least, we have chlorine. Just like with the pH, the chlorine level of a pool will vary from one moment to the next. However, thanks to modern pools, the chlorine variation is a thing of the past. Usually, when a pool reaches a certain level of chlorine, then this will keep the water safe for swimming. But sometimes, the chlorine level can go down as low as 0.3 ppm, which is unacceptably low for swimming purposes. In this case, you can either buy a pool capper that can automatically add chlorine to the pool, or you can ask a professional pool service to come and test the water for you.

So, in summary, if you want to keep your pool water safe and clean, then you should focus on keeping the pH above 7.2, limit the amount of time it drops below this level, and test the water for chlorine regularly. In addition, make sure you have a source of acid for the pool waters that are below pH 7.2. With these steps, you’ll be able to keep your pool water clean and healthy for swimming for many years to come.

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