We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Protein Skimmers 2026 in the United States
#1
Winner
Reef Octopus OCTO Regal 150 SSS Space Saver Protein Skimmer
The Reef Octopus OCTO Regal 150 SSS Space Saver Protein Skimmer is designed for aquariums of varying sizes, making it versatile for a range of tank setups. It is effective for tanks up to 210 gallons with light filtration needs, 160 gallons with medium filtration demands, and 100 gallons for high filtration requirements. This makes it suitable for both moderate and heavily stocked aquariums. Its small footprint (9” x 7.5”) and height (23.6”) ensure it doesn't take up much space, which is beneficial for users with limited sump space.
Rating
10.0
Chosen by1,351
Air Intake and Water Flow Rate
Build Quality and Materials
Ease of Maintenance
Most important from
11 reviews
#2
AquaReady Hang On Back Protein Skimmer for Saltwater Aquariums HOB-1.5, Up to 75 Gallon Fish Tank Filtration, Hang On External, Adjustable, Ultra Quiet Pinwheel Pump
The AquaReady HOB-1.5 protein skimmer is designed for saltwater aquariums up to 75 gallons, making it a solid choice for small to medium tanks, especially if your aquarium is within the specified rim thickness and height. As a hang-on-back (HOB) type, it’s easy to install without taking up extra space inside the tank. It features an innovative bubble plate that improves air and water mixing, helping to efficiently remove nutrients and keep your tank water clear.
Rating
7.9
Tank Size Compatibility
Air Intake and Water Flow Rate
Build Quality and Materials
Most important from
40 reviews
#3
OCTO Classic BH-2000 Protein Skimmer
The OCTO Classic BH-2000 Protein Skimmer is designed for aquariums up to 208 gallons, making it suitable for medium to large tanks. This hang-on skimmer features an Aquatrance 2000 Pinwheel pump, known for its efficient air intake and water flow rate, which helps in maintaining water quality by removing proteins and organic compounds effectively.
Rating
7.6
Air Intake and Water Flow Rate
Ease of Maintenance
Noise Level
Most important from
60 reviews
Top 10 Best Protein Skimmers 2026 in the United States
#1
Winner
Reef Octopus OCTO Regal 150 SSS Space Saver Protein Skimmer
Reef Octopus OCTO Regal 150 SSS Space Saver Protein Skimmer
Tank Size Compatibility: Up to 210 gallons
Type of Skimmer: Protein Skimmer
Air Intake and Water Flow Rate: Controllable DC 2500S Pinwheel Pump
Build Quality and Materials: Modern plastic materials
Ease of Maintenance: Manual cleaning required
Noise Level: Quieter due to DC pump
Chosen by 1351 this week
AquaReady Hang On Back Protein Skimmer for Saltwater Aquariums HOB-1.5, Up to 75 Gallon Fish Tank Filtration, Hang On External, Adjustable, Ultra Quiet Pinwheel Pump
AquaReady Hang On Back Protein Skimmer for Saltwater Aquariums HOB-1.5, Up to 75 Gallon Fish Tank Filtration, Hang On External, Adjustable, Ultra Quiet Pinwheel Pump
Tank Size Compatibility: up to 75 gallons
Type of Skimmer: hang-on-back (HOB)
Ease of Maintenance: adjustable collection cup
Noise Level: ultra-quiet
OCTO Classic BH-2000 Protein Skimmer
OCTO Classic BH-2000 Protein Skimmer
Tank Size Compatibility: up to 208 gallons
Type of Skimmer: hang-on skimmer
Air Intake and Water Flow Rate: efficient air and water flow
Build Quality and Materials: durable acrylic
Ease of Maintenance: manual cleaning required
Noise Level: moderate
Coral Vue Technology AC20287 Octopus Needle Wheel Skimmer for Aquarium Filter, 6-Inch, 211-Gallon
Coral Vue Technology AC20287 Octopus Needle Wheel Skimmer for Aquarium Filter, 6-Inch, 211-Gallon
Tank Size Compatibility: up to 211 gallons
Type of Skimmer: Needle Wheel Skimmer
Build Quality and Materials: robust, solid construction
Ease of Maintenance: straightforward to clean and maintain
Simplicity 320DC Protein Skimmer
Simplicity 320DC Protein Skimmer
Tank Size Compatibility: up to 320 gallons
Type of Skimmer: Protein Skimmer
Air Intake and Water Flow Rate: adjustable DC pump controls air and water
Build Quality and Materials: submersible, solid materials
Ease of Maintenance: collection cup with drain and cap
Related Products
Reef Octopus OCTO Classic 1000 HOB Protein Skimmer Bundle (3 items)
Reef Octopus OCTO Classic 1000 HOB Protein Skimmer Bundle (3 items)
Tank Size Compatibility: up to 130 gallons
Type of Skimmer: HOB (hang-on-back)
Air Intake and Water Flow Rate: 420 L/h (air), 350 L/h (water)
Build Quality and Materials: solid acrylic
Ease of Maintenance: straightforward
Noise Level: low
Reef Octopus eSsence S-130 Protein Skimmer
Reef Octopus eSsence S-130 Protein Skimmer
Tank Size Compatibility: 75 gal (heavy), 120 gal (medium), 160 gal (light)
Type of Skimmer: Protein Skimmer
Air Intake and Water Flow Rate: 140 gallons per hour
Build Quality and Materials: Polypropylene
Ease of Maintenance: Facilitated by design, slightly challenging
Noise Level: Relatively low
Regal 150SSS Protein Skimmer
Regal 150SSS Protein Skimmer
Tank Size Compatibility: small to medium reef tanks
Type of Skimmer: protein skimmer
Build Quality and Materials: handcrafted solid cast acrylic body
Ease of Maintenance: oversized cup, built-in drain, float switch
Noise Level: quiet operation
Maxspect Jump SK400 Protein Skimmer
Maxspect Jump SK400 Protein Skimmer
Tank Size Compatibility: medium-sized tanks
Type of Skimmer: protein skimmer
Air Intake and Water Flow Rate: dual-intake, dual-needle wheel; adjustable flow
Build Quality and Materials: durable materials with bubble trap
Ease of Maintenance: accessible design for easy cleaning
Noise Level: near-silent operation
#10
Reef Octopus Classic 202-S Protein Skimmer
Reef Octopus Classic 202-S Protein Skimmer
Tank Size Compatibility: 250 Gallons
Type of Skimmer: in-sump
Build Quality and Materials: Acrylic
Ease of Maintenance: straightforward
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Protein Skimmers
Choosing the right protein skimmer for your aquarium is crucial for maintaining a healthy and clean environment for your aquatic life. Protein skimmers help remove organic waste before it breaks down into harmful substances, ensuring better water quality. When selecting a protein skimmer, consider the size of your tank, the type of skimmer, and the specific needs of your aquarium inhabitants. Here are some key specifications to help you make an informed decision.Tank Size CompatibilityTank size compatibility refers to the range of aquarium sizes that a protein skimmer can effectively service. This is important because using a skimmer that is too small for your tank will result in inadequate waste removal, while an oversized skimmer may be inefficient and waste energy. Skimmers are typically rated for specific tank sizes, such as up to 50 gallons, 50-100 gallons, or over 100 gallons. To pick the right one, match the skimmer's rating to your tank size, ensuring it can handle the volume of water and the bioload of your aquarium.
Type of SkimmerThere are several types of protein skimmers, including hang-on-back (HOB), in-sump, and external skimmers. The type of skimmer is important because it determines how and where the skimmer will be installed in your aquarium setup. HOB skimmers are ideal for smaller tanks or those without a sump, as they are easy to install and maintain. In-sump skimmers are designed to be placed inside a sump and are suitable for larger tanks with more complex filtration systems. External skimmers are placed outside the tank or sump and are often used in large or commercial setups. Choose the type that best fits your aquarium's design and space constraints.
Air Intake and Water Flow RateThe air intake and water flow rate of a protein skimmer determine its efficiency in removing waste. Higher air intake and water flow rates generally mean better performance, as more water is processed and more waste is removed. Skimmers are often rated by their air intake in liters per hour (L/h) and water flow rate in gallons per hour (GPH). For smaller tanks, a lower flow rate may be sufficient, while larger tanks will benefit from higher rates. Consider the bioload of your tank and choose a skimmer with appropriate air intake and water flow rates to ensure optimal performance.
Build Quality and MaterialsThe build quality and materials of a protein skimmer affect its durability and longevity. High-quality skimmers are typically made from materials like acrylic or high-grade plastics, which are resistant to corrosion and wear. This is important because a well-built skimmer will last longer and require less maintenance. When evaluating build quality, look for sturdy construction, reliable seals, and quality components. Investing in a well-made skimmer can save you money and hassle in the long run.
Ease of MaintenanceEase of maintenance refers to how simple it is to clean and maintain the protein skimmer. Regular maintenance is crucial for keeping the skimmer functioning efficiently and prolonging its lifespan. Skimmers with easily accessible parts, simple disassembly, and clear instructions are easier to maintain. Consider how often you are willing to perform maintenance and choose a skimmer that fits your routine. A skimmer that is easy to clean will ensure consistent performance and reduce the risk of malfunctions.
Noise LevelThe noise level of a protein skimmer can impact the overall enjoyment of your aquarium. Some skimmers can be quite loud, which may be disruptive in a home or office setting. Noise levels are influenced by the design of the skimmer and the quality of its components. Look for skimmers that are specifically designed to operate quietly, often featuring noise-reducing technologies or components. If you value a quiet environment, prioritize skimmers with low noise levels to ensure a peaceful aquarium experience.