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2 Best Pool Vacuums for Algae (top picks)

Dealing with algae in your swimming pool can be a frustrating and time-consuming task. To effectively and efficiently remove algae from your pool, a reliable pool vacuum is essential. In this article, we'll explore two top-rated pool vacuums that are specifically designed to tackle algae infestations. These vacuums are highly efficient, user-friendly, and capable of restoring your pool's clarity and cleanliness.

Read more: Are pool vacuums worth it?

1. Dolphin Nautilus CC Supreme

The Dolphin Nautilus CC Supreme is a powerful and feature-rich robotic pool vacuum that excels at removing algae. Equipped with a dual scrubbing brush system, this vacuum effectively dislodges and removes stubborn algae from pool surfaces. Its CleverClean scanning technology ensures thorough coverage of the entire pool, leaving no area untouched. With programmable cleaning cycles and an easy-to-use interface, the Nautilus CC Supreme offers convenience and versatility. Additionally, it has a large debris canister, minimizing the need for frequent emptying.

Read the full review: Dolphin Premier Robotic Pool Cleaner Review

2. Polaris 280 Pressure Side Pool Cleaner

Polaris 280

The Polaris 280 is a highly efficient pressure side pool cleaner renowned for its ability to eliminate algae. Powered by a dedicated booster pump, this vacuum generates strong suction and scrubbing action to dislodge and capture algae particles. The Polaris 280 features a unique jet sweep assembly, which effectively sweeps and scrubs the pool walls, steps, and corners. Its large filter bag collects algae and debris, preventing clogs and maintaining optimal cleaning performance. With its robust construction and reliable performance, the Polaris 280 is an excellent choice for algae-infested pools.

How long does it take for a pool vacuum to remove algae? 

The time required to remove algae from a pool depends on several factors, including the severity of the algae growth, the size of the pool, and the efficiency of the vacuum. Generally, it may take a few cleaning cycles over a few days to completely eradicate algae from the pool. It's important to follow the manufacturer's instructions, maintain proper water chemistry, and regularly clean or backwash the filter to enhance the vacuum's effectiveness.

Can I use a regular pool vacuum to remove algae? 

While a regular pool vacuum can help remove some algae, it may not be as effective as specialized algae-specific pool vacuums. Regular vacuums often lack the necessary scrubbing power and filtration capabilities to effectively eliminate stubborn algae. For the best results, it's recommended to use a pool vacuum specifically designed for algae removal, as mentioned in the product recommendations above.

How can I prevent algae from growing in my pool? 

To prevent algae growth, it's crucial to maintain proper water chemistry, regularly sanitize the pool, and ensure proper circulation and filtration. Here are some preventive measures:

  1. Test and balance the water chemistry regularly.
  2. Maintain appropriate sanitizer levels (chlorine, bromine, etc.).
  3. Brush and vacuum the pool regularly to prevent algae buildup.
  4. Run the pool pump and filtration system for an adequate duration.
  5. Keep the pool clean and free from debris.
  6. Consider using algaecides or other preventative treatments, following manufacturer instructions.

Can algae cause problems in a pool and/or cause things to break?

Yes, algae can cause several problems with your pool if left unaddressed. Here are some of the issues that can arise due to algae growth:

Water Discoloration

Algae growth in a pool can cause the water to become discolored, typically turning it green, but it can also appear yellow, brown, or even black. This discoloration not only looks unappealing but can also make it difficult to see the bottom of the pool, potentially posing safety hazards.

Reduced Water Clarity

Algae blooms can make the pool water hazy or cloudy, affecting its clarity. This diminishes the visual appeal of the pool and can make it less inviting for swimmers.

Altered Water Balance

Algae growth often leads to changes in the pool's water chemistry. Algae consume nutrients such as phosphates and nitrates, which can disrupt the water balance, including pH levels, alkalinity, and sanitizer effectiveness. Imbalanced water chemistry can cause discomfort to swimmers, skin and eye irritation, and may even lead to corrosion of pool equipment.

Increased Filtration and Maintenance Demands

Algae can clog pool filters, reducing their efficiency and requiring more frequent cleaning and maintenance. The presence of algae also means that pool owners must spend more time and effort on manual cleaning, brushing, and vacuuming to remove the algae and prevent it from settling on pool surfaces.

Algae-related Health Risks

While not all algae are harmful, certain types of algae can pose health risks to swimmers. Some strains of algae may release toxins that can cause skin rashes, eye irritation, respiratory issues, and other allergic reactions.

Enhanced Bacterial Growth 

Algae provide a favorable environment for bacterial growth. When algae proliferate, they can create a biofilm, a slimy layer on pool surfaces, which encourages the growth of bacteria. This can result in an increased risk of infections and illnesses for swimmers.

Damage to Pool Surfaces

Over time, algae can attach to and grow on pool surfaces, including walls, floors, and steps. This can lead to staining, discoloration, and, in severe cases, damage to the pool surfaces, requiring costly repairs or resurfacing.

To prevent these problems, regular pool maintenance, including proper sanitation, filtration, and algae prevention measures, is crucial. It's important to maintain proper water chemistry, perform routine cleaning and brushing, and promptly address any signs of algae growth to ensure a clean, safe, and enjoyable swimming experience.

Can a pool filter catch algae?

a pool filter can catch algae to some extent. The primary function of a pool filter is to remove particles and debris from the water, including algae. However, the effectiveness of a pool filter in catching algae depends on several factors, such as the type and size of the filter, the flow rate, and the severity of the algae infestation.

There are three common types of pool filters: Dand filters, cartridge filters, and diatomaceous earth (DE) filters. Each type has its own filtration capabilities, but all of them are capable of capturing algae to a certain degree.

Sand filters

These filters use a bed of sand to trap particles and debris. While sand filters can catch larger algae particles, they may struggle with capturing smaller algae spores. Regular backwashing is necessary to clean the filter and maintain its efficiency.

Cartridge filters 

Cartridge filters consist of pleated fabric cartridges that trap debris as the water passes through them. Cartridge filters can effectively capture algae, including small particles and spores. It's important to clean or replace the cartridges periodically to prevent clogging and maintain optimal filtration.

DE filters 

DE filters use a fine powder made from fossilized remains of diatoms to create a filtering medium. These filters provide the highest level of filtration and are capable of capturing even the smallest algae particles. However, regular maintenance, including backwashing and adding fresh DE powder, is necessary to keep them functioning effectively.

It's worth noting that while a pool filter can catch algae, it may not be sufficient to eliminate an existing algae problem on its own. In cases of severe algae infestation, additional steps such as shock treatment, manual brushing, and the use of algaecides may be necessary to eradicate the algae completely. Regular cleaning and maintenance of the pool filter, along with proper water chemistry and circulation, are crucial for maintaining a clean and algae-free pool.

What parts of the country is algae a bigger problem for pools?

Algae can be a problem for pools in various parts of the country, but certain regions are more prone to algae growth due to specific environmental factors. The prevalence and severity of algae issues can vary depending on climate, sunlight exposure, temperature, humidity, and water conditions. Here are a few regions where algae may be a more significant problem for pools:

Warm and Humid Climates

Regions with consistently warm temperatures and high humidity levels provide favorable conditions for algae growth. States in the southern part of the United States, such as Florida, Texas, Louisiana, and parts of California, often experience more frequent and persistent algae problems due to their warm and humid climates.

Sunbelt States

Areas commonly referred to as the "Sunbelt," including Arizona, Nevada, New Mexico, and southern parts of California and Texas, can face challenges with algae growth. These regions often have intense sunlight, high temperatures, and arid conditions, which, coupled with improper pool maintenance, can lead to algae blooms.

Midwest and Southeast

Some parts of the Midwest and Southeastern states, including areas with high rainfall and fluctuating temperatures, may experience increased algae growth. Factors such as heavy rainfall and warmer temperatures can contribute to algae proliferation if pool water chemistry and maintenance practices are not carefully managed.

Coastal Regions

Coastal areas, particularly those with a combination of warm climates, high humidity, and proximity to saltwater, may face more significant algae issues. The presence of saltwater or salt air can introduce additional challenges for pool owners in terms of algae control and prevention.

However, it's important to note that algae growth can occur in any region or climate if pool maintenance practices are not followed diligently. Proper pool chemistry, regular cleaning, filtration, and circulation are essential regardless of the geographical location to prevent and combat algae problems effectively.


When it comes to combating algae in your swimming pool, the Dolphin Nautilus CC Supreme and Polaris 280 are two outstanding pool vacuums that deliver exceptional performance. Their specialized features, efficient cleaning capabilities, and reliable operation make them the top picks for tackling algae infestations. Remember to follow the manufacturer's instructions, maintain proper pool maintenance practices, and regularly monitor water chemistry to prevent algae growth in the future. With the right pool vacuum, you can enjoy a pristine and algae-free pool all season long.

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