Algae Control

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More Info — Algae Control & Pool Algaecide

Proper circulation and balanced pool water chemistry is the best way to prevent algae growth, but even carefully maintained swimming pools may experience algae once in a while. It is important to use an effective algae treatment as soon as an algae bloom appears in your pool. It’s also a good idea to take proactive measures to prevent algae from growing in your pool in the first place.

Algae spores typically enter pool water from wind and storms. When conditions are right and your water isn’t properly balanced, you may find yourself with an algae bloom. Not only is it an eyesore, it can cause damage to pool surfaces and harbor disease-causing microorganisms. There are three types of algae commonly found in swimming pools: Green Algae, Yellow/Mustard Algae and Black Algae.

Algae Prevention and Treatment Supplies

For killing most types of algae blooms, look to Leslie’s Algae Control. Leslie’s Algae Control is a 60% concentrated polyquat pool algaecide that is very effective at preventing and treating stubborn algae blooms. Algae Control is compatible with chlorine and saltwater chlorinated pools. This non-metallic pool algaecide will not cause staining like some other algaecides potentially can.

Helpful Articles


How can I prevent an algae bloom in my pool?

At one point or another, most pool owners will deal with an algae problem. We have created a guide to stay ahead of any potential algae bloom in your pool. Learn more here, Top 10 Pool Algae Prevention Tips.

How can I remove Green Algae from my pool?

Green Algae is the most common type of pool algae. Luckily, it's the easiest to treat and remove. Let's dive in to some algae prevention and removal measures, How to Prevent and Remove Green Algae.

How can I remove Black Algae from my pool?

Unfortunately, ridding your pool of Black Algae is no easy feat. This in-depth article will no only explain how to remove Black Algae, but help explain what it is and where it came from: How to Prevent and Remove Black Algae.

How can I remove Mustard Algae from my pool?

Mustard Algae, also known as Yellow Algae, is a close cousin of Green Pool Algae. It may be mistaken as sand or dirt, but unfortunately, the rapid growth of Mustard Algae can damage a pool if undiagnosed. Learn about where Mustard Algae comes from, how to remove the algae from your pool, and how to prevent an algae bloom in the future: How to Prevent and Remove Mustard Algae.

How to Get Rid of Green & Yellow Pool Algae — Video


At Leslie’s Pool Supplies, we’re here to help you create a safe, sanitary, and perfect pool experience. This helpful step-by-step video guide will walk you through the algae treatment plan, so you can get your pool back to its former glory!