10 Best Saltwater Protein Skimmer 2025 in the United States

The Reef Octopus OCTO Regal 150-INT In-Sump Protein Skimmer is a robust choice for managing filtration in saltwater aquariums. It is compatible with tanks up to 210 gallons for light filtration, 160 gallons for medium filtration, and 100 gallons for high filtration, making it versatile. The skimmer features a compact footprint of 11.4” x 7.5” and a height of 22.6”, which is suitable for most sump setups without occupying excessive space.

The inclusion of the VarioS-2S controllable pinwheel pump is a notable advantage, offering five energy-efficient power settings and the latest DC controllable technology, which can be adjusted to match the specific needs of your aquarium. This pump also contributes to efficient bubble production, crucial for effective protein skimming. Maintenance is relatively straightforward, thanks to its design and build quality, which uses durable materials like acrylic. Additionally, it comes with an adapter for easy connection to different piping systems.

However, the height of the skimmer could be a limitation for some setups, and ensuring the sump water depth is within the recommended 6” to 8” range is essential for optimal performance. Weighing 5.7 kilograms, it is on the heavier side, which should be considered for installation and handling. The corded electric power source ensures consistent performance, though it might limit placement flexibility. This skimmer is best suited for dedicated aquarium hobbyists looking for reliable, adjustable performance without compromising on build quality.

The Reef Octopus BH90 Hang on Protein Skimmer is an efficient and popular choice for maintaining a clean and healthy saltwater aquarium. It is compatible with medium to large-sized tanks, making it versatile for various setups. Designed to hang on the back of the tank, it offers a space-saving feature for many users. The pump performance is reliable, ensuring good water flow and effective skimming. Bubble production, a crucial aspect of protein skimmers, is well-handled, resulting in effective removal of organic waste from the water.

Maintenance is relatively straightforward, thanks to its user-friendly design and dishwasher-safe components, though regular cleaning is required to maintain optimal performance. Build quality is strong, using durable materials like stainless steel and offering a classic look with colors like gray, white, black, and clear. Potential drawbacks include the initial setup, which might be challenging for beginners, and the noise level, which some users might find slightly high.

This skimmer is best suited for hobbyists who have some experience with protein skimmers and are looking for a reliable, high-performance option for their saltwater tanks.

The Simplicity 240DC Protein Skimmer is designed for saltwater aquariums and fits tanks up to 240 gallons, making it suitable for medium to large-sized setups. Its adjustable DC pump speed allows users to fine-tune the performance based on their specific tank needs.

The skimmer's cone shape design is efficient in bubble production, which is crucial for removing organic waste from the water. The small footprint of this device is an advantage for those with limited space in their sump area. Additionally, the collection cup drain with a cap simplifies maintenance by making it easier to empty waste without frequent disassembly.

The build quality appears robust, utilizing materials like stainless steel, which suggests durability and long-term use. It is essential to note that it's not rated among the top aquarium filters, being #261 in that category. The product's dimensions are relatively large, which might be a consideration if space is a constraint. This skimmer could be an excellent choice for hobbyists looking for a reliable and customizable protein skimmer for their saltwater aquariums.