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What You Need To Know About Pool Chemicals


Staff member
Feb 16, 2024
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Swimming pools are a fantastic way to cool off and have fun, especially during hot summer days. However, they do require maintenance to keep the water clean and safe. An essential part of this process is understanding the chemicals involved.​

The Importance of Pool Chemicals

Pool chemicals play several crucial roles in maintaining a clean and safe swimming environment. They not only help to kill harmful bacteria and algae, but also work to balance the water’s pH levels, ensuring optimal conditions for swimmers. Additionally, these chemicals help to keep the water crystal clear and inviting, enhancing the overall pool experience. Without the proper use of these chemicals, a pool can quickly become a breeding ground for diseases and other unpleasant organisms, compromising the health and enjoyment of those who use it. It is therefore imperative to understand the importance of using pool chemicals and to regularly maintain their levels for a pristine and refreshing swimming experience.​

Key Pool Chemicals


Chlorine, known as the go-to pool chemical, plays a vital role as a powerful sanitizer, effectively eliminating harmful bacteria and microscopic organisms lurking in your pool. This essential pool maintenance agent comes in different forms, such as liquid, tablets, granules, and even gas, providing you with a range of options to ensure your pool stays fresh, clean, and safe for swimming.​


Bromine, an alternative to chlorine, offers a range of benefits for hot tubs and spas. It exhibits exceptional efficacy at high temperatures, making it ideal for maintaining water quality in heated environments. While it may come at a slightly higher cost compared to chlorine, it provides superior performance and stability. However, it’s important to note that prolonged use of bromine can occasionally result in the water appearing slightly cloudy.​

pH Adjusters

To maintain the optimal condition of your plunge pools perth, it is important to regulate the acidity or alkalinity of the water. The ideal pH level for a pool ranges between 7.2 and 7.6. Keeping the pH within this range is crucial to prevent various issues. If the pH is too low, it can lead to corrosion of metal equipment, skin irritation, and reduced effectiveness of chlorine. On the other hand, if the pH is too high, it can result in scaling on pool surfaces and equipment, as well as water cloudiness. By carefully monitoring and adjusting the pH level, you can ensure the longevity and enjoyment of your pool.​


Algaecides are essential pool maintenance chemicals that effectively prevent the growth of algae. Algae growth not only makes your pool slippery but also causes the water to turn an unsightly shade of green. By using algaecides regularly, you can ensure a clean and inviting pool environment for you and your guests to enjoy.​

Cyanuric Acid

Cyanuric acid, often referred to as a conditioner or stabiliser, protects chlorine from the sun’s ultraviolet (UV) rays. Prolonged exposure to sunlight can decrease the effectiveness of chlorine, rendering it less capable of sanitising your pool. By adding cyanuric acid, you can extend the lifespan of chlorine in your pool, ensuring it remains effective for longer.​

Calcium Hardness Increaser

Calcium hardness increaser is used to prevent water from becoming corrosive or causing scaling. Corrosive water can damage metal equipment and pool linings, while water that is too hard can lead to scaling and cloudiness. Maintaining an appropriate level of calcium hardness helps to balance the water, protecting your pool equipment and ensuring the water remains clear and inviting.​

Pool Shock

Pool shock, or super chlorination, is a treatment used to eliminate chloramines. Chloramines are formed by the reaction of chlorine with organic material in the pool, such as sweat or urine. These compounds can cause eye and skin irritation and give the pool a strong chlorine smell. By using a pool shock treatment, you can break down these compounds and restore the cleanliness and health of your pool.​

Tips for Pool Chemical Storage and Handling

Proper storage and handling of pool chemicals are paramount to maintaining safety and the effectiveness of the chemicals. Here are some valuable tips:

Store in a Cool, Dry Place: Pool chemicals should be stored in a cool, dry, and well-ventilated area to maintain their efficiency and prevent them from degrading. They should be kept away from direct sunlight and, ideally, should not be exposed to temperature extremes.

Avoid Mixing Chemicals: Different types of pool chemicals should never be mixed, as this can cause potentially harmful reactions. Always add chemicals to water, never water to chemicals, to prevent splashing or chemical reactions.

Keep Chemicals Out of Reach: Ensure pool chemicals are kept out of the reach of children and pets. The storage area should be locked when not in use to prevent accidental access.

Use Appropriate Containers: Store each type of chemical in its original container to prevent contamination and ensure you have the correct instructions for use. Do not use food containers as this can lead to dangerous mix-ups.

Follow Manufacturer’s Instructions: Always adhere to the guidelines provided by the manufacturer for safe and optimal use of pool chemicals. These instructions typically include details on how much of the chemical to use, how to properly dispense it, and what to do in case of accidental spillage.

Dispose of Old Chemicals Properly: Outdated or expired pool chemicals may lose their effectiveness and can even become hazardous. Dispose of these chemicals in accordance with local regulations and guidelines.​


Maintaining proper pool chemistry is vital for ensuring the safety, cleanliness, and longevity of your pool. By understanding the key pool chemicals and their functions, as well as following proper storage and handling techniques, you can ensure a pleasant and refreshing swimming experience all year round. Don’t hesitate to consult a professional if you have any questions or concerns about maintaining your pool’s chemical levels . With the right knowledge and care, you can enjoy a crystal-clear pool that is safe for swimming and entertaining. So, keep these tips in mind and dive into your sparkling clean pool with confidence! Happy swimming!​
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