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10 Best Protein Skimmers 2025 in the United States
#1
Winner
Simplicity 800 DC Protein Skimmer
The Simplicity 800 DC Protein Skimmer is designed for aquarium hobbyists who want a reliable and adjustable skimmer to help maintain clean water. It features an adjustable DC pump which lets you control the water flow and air intake, making it suitable for a range of tank sizes. Its cone-shaped design helps improve skimming efficiency by creating better water flow inside the chamber.
#2
Reef Octopus OCTO Regal 150-INT In-Sump Protein Skimmer
The Reef Octopus OCTO Regal 150-INT In-Sump Protein Skimmer is designed for aquarists who are looking for an efficient way to maintain water quality in medium to large tanks, accommodating up to 210 gallons with light filtration demands. A standout feature is its small footprint, making it suitable for setups with limited space, and the DC controllable pump allows for energy-efficient operation tailored to your aquarium's needs.
Rating
9.7
Type of Skimmer
Build Quality and Materials
Most important from
5 reviews
#3
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
9.4
Air Intake and Water Flow Rate
Build Quality and Materials
Ease of Maintenance
Most important from
11 reviews
Top 10 Best Protein Skimmers 2025 in the United States
#1
Winner
Simplicity 800 DC Protein Skimmer
Simplicity 800 DC Protein Skimmer
Tank Size Compatibility: small to medium tanks
Type of Skimmer: Protein Skimmer
Air Intake and Water Flow Rate: adjustable DC pump controls flow
Build Quality and Materials: solid build quality
Ease of Maintenance: thumbscrew assembly, easy wedge pipe
Chosen by 1416 this week
Reef Octopus OCTO Regal 150-INT In-Sump Protein Skimmer
Reef Octopus OCTO Regal 150-INT In-Sump Protein Skimmer
Tank Size Compatibility: up to 210 gallons
Type of Skimmer: In-Sump Skimmer
Build Quality and Materials: Acrylic, Foam
Ease of Maintenance: regular cleaning needed
Noise Level: generally acceptable
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
Tunze 9430.000 DOC Skimmer
Tunze 9430.000 DOC Skimmer
Tank Size Compatibility: medium-sized tanks
Type of Skimmer: compact
Build Quality and Materials: made in Germany, solid build
Ease of Maintenance: easy access to parts
Noise Level: relatively quiet operation
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 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
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
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
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
#10
NYOS Quantum 220 Protein Skimmer for up to 530 Gallons
NYOS Quantum 220 Protein Skimmer for up to 530 Gallons
Tank Size Compatibility: up to 530 gallons
Type of Skimmer: needle wheel pump
Build Quality and Materials: solid, durable materials
Ease of Maintenance: easy access to cup
Noise Level: quiet operation
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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.