How To Treat High Ph Water In A Pool? [Expert Review!]

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As the name suggests, high-ph water severely restricts the usage of certain chemicals such as chlorine and bromine because they become quickly depleted in the absence of any special additives. This makes the water highly susceptible to microbial contamination as well as algae growth, which degrades the appearance of the pool and also poisons the water.

Fortunately, there is a simple way to treat high-ph water in a pool, and that is through the use of granular activated carbon. Due to its high surface area and the positive charge it possesses, GAC quickly binds with harmful substances in the pool and removes them from the water before they can do any damage.

The most suitable dosage for treating high-ph water in a pool is between 2-4 grams per square foot of surface area. In the absence of any scientific evidence to support its use, it is advisable to consult with the professionals at your local pool store to determine the best possible solution for your specific needs.

Why Is High Ph Water A Problem?

Chlorine and bromine are two of the most popular chemical additions to a pool, mainly because they are efficient at killing algae and other organic matter that can accumulate in the water. These chemicals can also be used to purify the pool water by removing various dissolved substances that may be present in the water.

These chemicals work great in combination with each other but unfortunately, they are both extremely hazardous to the environment. In the event of an accident, it is highly likely that they will be found in the water supply, and the surrounding areas may be contaminated as well. This is why swimming pools must be limited in their usage.

What Makes GAC Different From Other Forms Of Activated Carbon?

GAC comes in a variety of forms such as powder, pellets, and rods, but the most suitable one for pool use is the granular form because it is easily dissolved in the water and doesn’t clog the pool’s plumbing. When dissolved, the carbon atoms impart a positive charge to the molecules in the water, which is why GAC is often referred to as “ion exchanging material.”

While other forms of activated carbon can be effective at removing certain chemicals from water, they don’t possess the same positive charge and thus can’t remove the same amount of contaminants as GAC can. They can also be prone to clogging, which can be fixed with appropriate chemical treatment or mechanical cleaning.

How Does GAC Work?

Once dissolved in the water, the carbon atoms quickly begin to coat the surfaces of the organisms in the pool. While most people think of algae when it comes to pool chemistry, the truth is that in small quantities, algae are a vital part of the aquatic ecosystem because they provide nutrients for larger fish and other aquatic creatures. With the algae gone, the larger fish and other aquatic creatures will be starved of nutrients, which may cause them to eventually starve.

Along with removing nutrients from the water, the algae also consume oxygen, which can cause anaerobic conditions that are highly dangerous to the safety of swimmers in the pool. When oxygen is depleted in a pool tank, the algae start dying off which causes an increase in the nitrogen levels in the water, leading to a dangerous mixture of nitrogen and oxygen. This is why oxygen levels in the water must be kept at a certain depth while swimming pool owners choose between having bright blue waters or crystal clear water. In addition to the above, excess algae in the pool can also cause an increase in the pH level of the water.

How Long Does It Take For GAC To Work?

Since GAC is a form of activated carbon and not a pure form of charcoal like what is found in most kitchens, it will take a while for it to absorb all of the chemicals in the pool. In most cases, it takes about twenty four hours for GAC to become fully effective at removing contaminants from the water.

In some instances, it has been known for GAC to require more than forty eight hours of proper use before it becomes effective at removing chemicals from the pool water. In such cases, it is highly recommended that the pool owner reads the instructions thoroughly, so they know how much GAC to add and when to add it for maximum effect.

When Should You Add GAC To The Pool?

If you are in the habit of adding chlorine regularly to your pool for recreational purposes, then you should add it about half an hour before you start swimming so that it has enough time to work its way to the bottom of the pool. The general rule is 1 part chlorine to 4 parts water for a properly chlorinated pool, although that varies from pool to pool.

In the event of an accident, it is imperative to know how much time has elapsed since the last addition of chlorine so that you don’t mistake it for fresh water and drink it. In some instances, the chlorine in the pool will be undetectable by the taste, but it will be detectable by its odor, which most people will find slightly offensive. In the event of any uncertainty, it is advisable to contact the authorities or a private water testing laboratory for an accurate analysis of the water’s chlorine content. The odor of chlorine is quite distinctive and easy to spot even if you are not specifically looking for it, so if you are ever uncertain of whether or not the water has been treated with chlorine, then it is best to assume that it has not and take the proper safety precautions.

What Type Of Safety Should You Use When Adding GAC To The Pool?

Once you have added the required amount of granular activated carbon, it is essential to ensure that your pool is properly protected from external chemical exposure. In most cases, this entails closing the intake valves on either end of the pool, which are normally open to allow the water to flow in. In the event that the pool is not covered, then it is essential that you use proper safety equipment including goggles, gloves, and a wetness barrier. Most importantly, make sure that your pool is not directly exposed to the sun so that no matter what type of protection is used, it will not dry out.

What About Bacteria And Algae Fights?

GAC is not a sterilizer, which means that even after the chemical has removed the chemicals, it doesn’t necessarily mean that the pool is free from germs. Unless a sterilizer is specifically indicated for use in swimming pools, then it is generally accepted that chlorine is the best candidate for the job, primarily because it is highly effective at preventing both bacteria and algae from growing in the water. This is why even though GAC works effectively at preventing algae from growing in the pool, it does not necessarily prevent bacteria and other germs from contaminating the pool water. The chlorine should be maintained at a precise level to ensure that the pool is always free of germs and bacteria and algae are kept at a manageable level through the use of a pool vacuum cleaner. In the event of any uncertainty, make sure to consult with your local pool store or an expert from the CDC so that you can be certain that your pool is being properly maintained and also so that you can take the proper safety precautions in the event of an accident.

Make sure to read the instructions thoroughly before using any chemical or additive for your pool. In the event of any questions or concerns, contact your local pool store or an expert from the CDC for assistance.

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