The 8 Best Skimmer Picks: Hang In/Hang On Tank Models

AquaC Remora Pro Protein Skimmer with Rio 1400 Pump

Buy on Amazon

This is a non-venturi skimmer that benefits from a spray-injection system. These hang-on-tank units are designed for systems without sumps.

AQUATICLIFE 115 Mini Internal Protein Skimmer/Filter

Buy on Amazon Buy on Chewy

The Internal Mini Skimmer 115 measures only 3" x 3-1/4" x 10-1/2" high to provide supplemental filtration in saltwater aquariums up to 30 gallons. This compact skimmer is driven by an 8-watt needle-wheel impeller pump for energy efficiency AND effective organic waste removal. Mounting bracket and suction cups included for convenient placement and quiet operation inside your aquarium.

Eshopps Inc. Hang On Protein Skimmer

Buy on Amazon

Eshopps protein skimmers are designed with simplicity in mind. The included pump features a needle-wheel impeller that mixes air and water to create a flurry of waste-removing bubbles. The removable collection cup allows convenient skimmer maintenance and disposal of collected waste material. The adjustment knob fine-tunes the water level within the protein skimmer reaction chamber for optimal performance.

Lee's Protein Skimmer Counter Current

Buy on Amazon

The Lee's skimmer is a bare bones, easy to set up and maintain, an inexpensive in-tank skimmer that comes preassembled and includes a limewood air stone. All that is needed is an air pump to get it running and start producing good quality foam. Available in three sizes for tanks up to 30, 60 or 90 gallons.

Red Sea Fish Pharm Ltd. PRIZM HANG ON SKIMMER

Buy on Amazon

Compact size, powerful pump, and easy "hang-and-go" setup make it a great choice for the small-to-medium home aquarium. Features an 18-blade Turbo-Jet Air Impeller that quietly generates a constant stream of microbubbles in a homogeneous air/water mixture. Patented, 2-stage reaction chamber extends contact time while providing both co- and counter-current action, creating a protein-rich, stable foam. Requires 2" of headroom for removable 17 oz. collection cup. Includes adjustable height surface skimmer, filtration media basket, and carbon. For larger aquariums, use the Prizm Pro Deluxe (13" x 20" high x 3-1/2" deep). Includes removable 40 oz. collection cup and an optional drainage port.

Instant Ocean SeaClone Protein Skimmer

Buy on Amazon

The SeaClone Protein Skimmer can be hung on your aquarium or placed in your sump. The SeaClone's built-in Maxi-Jet 1200 Pump creates a froth of micro-bubbles created by the venturi action. Water and air swirl together in tornado-like motion in the Vortex chamber, drawing out dissolved wastes. The adjustable water flow and air injection rate means precise control and reliable performance. Convenient design for easier cleaning and maintenance. The SeaClone Protein Skimmer is available in two sizes: SCPS 100 for marine aquariums up to 100 gallons (3-1/2" diameter x 18" high) and SCPS 150 for marine aquariums up to 150 gallons (3-1/2" diameter x 25" high).

Danner Skilter 400 Power Filter for Aquarium

Buy on Amazon

Maintenance-free Skilter Filter offers total, efficient filtration for saltwater aquariums. Combines chemical, mechanical, and biological filtration techniques with protein skimming. Makes an ideal primary filter for 10-55 gallon saltwater and mini-reef aquariums. The advanced venturi-type protein skimmer of the Skilter Filter can also be used as a supplementary filtration device for aquariums up to 100 gallons. This filter hangs on the back of the aquarium.