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Pool Start-Up Chemicals: A Guide
Home Blog Pool Start-Up Chemicals: A Guide
04 Apr 2023  /  by clark   /   0 Comments

Summer is right around the corner, which means it’s just about time to break out the pool! If this is your first year with a pool, you may be wondering what kind of chemicals you need to keep it clean and safe for swimming. And we’re here to help! In this blog post, we will discuss the different types of pool start-up chemicals and what each one does. We will also provide some tips on how to properly use these chemicals to get your pool ready for summer!


The first type of chemical you’ll need is a sanitizer. This chemical is responsible for killing bacteria, viruses, and other microorganisms in your pool’s water. Sanitizers come in two forms: chlorine and bromine. 

Chlorine is the most common form of sanitizer and is typically used in residential pools. It works by killing bacteria on contact and also helps keep the pH of your pool water balanced.

Another common type of sanitizer, bromine, is an alternative to chlorine. It has a slower reaction time than chlorine but is still effective at killing bacteria and viruses in your pool.


A clarifier is a chemical that helps keep the water clear by removing small particles from it. These particles can cause cloudy water and make it difficult to see the bottom of your pool. Clarifiers come in liquid, powder, or tablet forms and require regular use to keep your pool’s water crystal clear.


Algaecides are chemicals designed to prevent the growth of algae in your pool. Algae can quickly take over a pool if not treated, so it’s important to have the right amount of algaecide in your pool at all times. 

Like clarifiers, algaecides come in liquid, powder, or tablet forms and require regular treatments to keep your pool free of algae.


Balancers are chemicals used to help keep your pool’s pH and alkalinity levels within the ideal range. These chemicals can also be used to raise or lower chlorine levels in your pool, depending on what you need.

By keeping your pool’s pH and alkalinity levels balanced, you’ll ensure the water is safe and comfortable for swimming.

Other Chemicals

In addition to the chemicals listed above, there are a few other types of chemicals that you’ll need to maintain your pool:

  • Shock, which oxidizes organic matter and other contaminants in the water
  • Scale and stain preventers, which help stop discoloration and build-up on your pool walls
  • Metals removers, which reduce the amount of metals in your water

With all of these chemicals, it’s important to follow the instructions on the packaging carefully and use them as directed. This will ensure your pool is safe and ready for the summer ahead! 

The Bottom Line

Pool start-up chemicals are essential for keeping your pool clean, safe, and clear. With the right chemicals and proper use, you’ll be sure to have a great summer of swimming!

Enjoy the water!

Need a hand opening up your new pool? You’ve come to the right place! Click here to request our pool opening, water delivery, and/or cleaning service at Clark Pools and Spas, and start getting your pool ready today.

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